Merge pull request #52994 from frappe/mergify/bp/version-16/pr-52188

fix(payment entry): round unallocated amount (backport #52188)

Author: ruthra-kumar

erpnext/accounts/doctype/payment_entry/payment_entry.py

@@ -1082,20 +1082,32 @@ def set_unallocated_amount(self):
 			self.base_paid_amount + deductions_to_consider
 		):
 			self.unallocated_amount = (
-				self.base_paid_amount
-				+ deductions_to_consider
-				- self.base_total_allocated_amount
-				- included_taxes
-			) / self.source_exchange_rate
+				flt(
+					(
+						self.base_paid_amount
+						+ deductions_to_consider
+						- self.base_total_allocated_amount
+						- included_taxes
+					),
+					self.precision("unallocated_amount"),
+				)
+				/ self.source_exchange_rate
+			)
 		elif self.payment_type == "Pay" and self.base_total_allocated_amount < (
 			self.base_received_amount - deductions_to_consider
 		):
 			self.unallocated_amount = (
-				self.base_received_amount
-				- deductions_to_consider
-				- self.base_total_allocated_amount
-				- included_taxes
-			) / self.target_exchange_rate
+				flt(
+					(
+						self.base_received_amount
+						- deductions_to_consider
+						- self.base_total_allocated_amount
+						- included_taxes
+					),
+					self.precision("unallocated_amount"),
+				)
+				/ self.target_exchange_rate
+			)
 
 	def set_exchange_gain_loss(self):
 		exchange_gain_loss = flt(