diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6cda7462..2098d37a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,10 @@
 
 ## Unreleased
 
+### Fixes
+
+* Improves the error messages when passing invalid amounts to deposit and withdraw operations ([#679](https://github.com/stellar/js-stellar-base/pull/679)).
+
 
 ## [v9.0.0](https://github.com/stellar/js-stellar-base/compare/v8.2.2..v9.0.0)
 
diff --git a/src/operations/create_account.js b/src/operations/create_account.js
index 1cb28ddd..d8924424 100644
--- a/src/operations/create_account.js
+++ b/src/operations/create_account.js
@@ -18,9 +18,7 @@ export function createAccount(opts) {
     throw new Error('destination is invalid');
   }
   if (!this.isValidAmount(opts.startingBalance, true)) {
-    throw new TypeError(
-      'startingBalance must be of type String, represent a non-negative number and have at most 7 digits after the decimal'
-    );
+    throw new TypeError(this.constructAmountRequirementsError('startingBalance'))
   }
   const attributes = {};
   attributes.destination = Keypair.fromPublicKey(
diff --git a/src/operations/liquidity_pool_deposit.js b/src/operations/liquidity_pool_deposit.js
index 6bdbce90..9dec41a6 100644
--- a/src/operations/liquidity_pool_deposit.js
+++ b/src/operations/liquidity_pool_deposit.js
@@ -31,12 +31,12 @@ export function liquidityPoolDeposit(opts = {}) {
   attributes.liquidityPoolId = xdr.PoolId.fromXDR(liquidityPoolId, 'hex');
 
   if (!this.isValidAmount(maxAmountA, true)) {
-    throw new TypeError('maxAmountA argument is required');
+    throw new TypeError(this.constructAmountRequirementsError('maxAmountA'))
   }
   attributes.maxAmountA = this._toXDRAmount(maxAmountA);
 
   if (!this.isValidAmount(maxAmountB, true)) {
-    throw new TypeError('maxAmountB argument is required');
+    throw new TypeError(this.constructAmountRequirementsError('maxAmountB'))
   }
   attributes.maxAmountB = this._toXDRAmount(maxAmountB);
 
diff --git a/src/operations/liquidity_pool_withdraw.js b/src/operations/liquidity_pool_withdraw.js
index 0696bf04..7f3ebab1 100644
--- a/src/operations/liquidity_pool_withdraw.js
+++ b/src/operations/liquidity_pool_withdraw.js
@@ -24,17 +24,17 @@ export function liquidityPoolWithdraw(opts = {}) {
   attributes.liquidityPoolId = xdr.PoolId.fromXDR(opts.liquidityPoolId, 'hex');
 
   if (!this.isValidAmount(opts.amount)) {
-    throw new TypeError('amount argument is required');
+    throw new TypeError(this.constructAmountRequirementsError('amount'))
   }
   attributes.amount = this._toXDRAmount(opts.amount);
 
   if (!this.isValidAmount(opts.minAmountA, true)) {
-    throw new TypeError('minAmountA argument is required');
+    throw new TypeError(this.constructAmountRequirementsError('minAmountA'))
   }
   attributes.minAmountA = this._toXDRAmount(opts.minAmountA);
 
   if (!this.isValidAmount(opts.minAmountB, true)) {
-    throw new TypeError('minAmountB argument is required');
+    throw new TypeError(this.constructAmountRequirementsError('minAmountB'))
   }
   attributes.minAmountB = this._toXDRAmount(opts.minAmountB);
 
diff --git a/test/unit/operation_test.js b/test/unit/operation_test.js
index db8e3028..d3d323d4 100644
--- a/test/unit/operation_test.js
+++ b/test/unit/operation_test.js
@@ -44,9 +44,7 @@ describe('Operation', function () {
         startingBalance: '0',
         source: 'GCEZWKCA5VLDNRLN3RPRJMRZOX3Z6G5CHCGSNFHEYVXM3XOJMDS674JZ'
       };
-      expect(() => StellarBase.Operation.createAccount(opts)).not.to.throw(
-        /startingBalance must be of type String, represent a non-negative number and have at most 7 digits after the decimal/
-      );
+      expect(() => StellarBase.Operation.createAccount(opts)).not.to.throw();
     });
 
     it('fails to create createAccount operation with an invalid startingBalance', function () {
@@ -56,7 +54,7 @@ describe('Operation', function () {
         source: 'GCEZWKCA5VLDNRLN3RPRJMRZOX3Z6G5CHCGSNFHEYVXM3XOJMDS674JZ'
       };
       expect(() => StellarBase.Operation.createAccount(opts)).to.throw(
-        /startingBalance must be of type String, represent a non-negative number and have at most 7 digits after the decimal/
+        /startingBalance argument must be of type String, represent a positive number and have at most 7 digits after the decimal/
       );
     });
 
@@ -2461,12 +2459,12 @@ describe('Operation', function () {
       opts.liquidityPoolId =
         'dd7b1ab831c273310ddbec6f97870aa83c2fbd78ce22aded37ecbf4f3380fac7';
       expect(() => StellarBase.Operation.liquidityPoolDeposit(opts)).to.throw(
-        /maxAmountA argument is required/
+        /maxAmountA argument must be of type String, represent a positive number and have at most 7 digits after the decimal/
       );
 
       opts.maxAmountA = '10';
       expect(() => StellarBase.Operation.liquidityPoolDeposit(opts)).to.throw(
-        /maxAmountB argument is required/
+        /maxAmountB argument must be of type String, represent a positive number and have at most 7 digits after the decimal/
       );
 
       opts.maxAmountB = '20';
@@ -2481,7 +2479,7 @@ describe('Operation', function () {
 
       opts.maxPrice = '0.55';
       expect(() => StellarBase.Operation.liquidityPoolDeposit(opts)).to.not
-        .throw;
+        .throw();
     });
 
     it('throws an error if prices are negative', function () {
@@ -2643,22 +2641,22 @@ describe('Operation', function () {
       opts.liquidityPoolId =
         'dd7b1ab831c273310ddbec6f97870aa83c2fbd78ce22aded37ecbf4f3380fac7';
       expect(() => StellarBase.Operation.liquidityPoolWithdraw(opts)).to.throw(
-        /amount argument is required/
+        /amount argument must be of type String, represent a positive number and have at most 7 digits after the decimal/
       );
 
       opts.amount = '10';
       expect(() => StellarBase.Operation.liquidityPoolWithdraw(opts)).to.throw(
-        /minAmountA argument is required/
+        /minAmountA argument must be of type String, represent a positive number and have at most 7 digits after the decimal/
       );
 
       opts.minAmountA = '10000';
       expect(() => StellarBase.Operation.liquidityPoolWithdraw(opts)).to.throw(
-        /minAmountB argument is required/
+        /minAmountB argument must be of type String, represent a positive number and have at most 7 digits after the decimal/
       );
 
       opts.minAmountB = '20000';
       expect(() => StellarBase.Operation.liquidityPoolWithdraw(opts)).to.not
-        .throw;
+        .throw();
     });
 
     it('creates a liquidityPoolWithdraw', function () {