diff --git a/erpnext/controllers/selling_controller.py b/erpnext/controllers/selling_controller.py
index 9c6dc4d9ce5..970dd8e4b48 100644
--- a/erpnext/controllers/selling_controller.py
+++ b/erpnext/controllers/selling_controller.py
@@ -254,7 +254,7 @@ class SellingController(StockController):
 
 			total += sales_person.allocated_percentage
 
-		if sales_team and total != 100.0:
+		if sales_team and flt(total, self.precision("allocated_percentage", "sales_team")) != 100.0:
 			throw(_("Total allocated percentage for sales team should be 100"))
 
 	def validate_sales_team(self, sales_team):
diff --git a/erpnext/selling/doctype/customer/customer.py b/erpnext/selling/doctype/customer/customer.py
index 2d7a562715f..dd60d11301c 100644
--- a/erpnext/selling/doctype/customer/customer.py
+++ b/erpnext/selling/doctype/customer/customer.py
@@ -199,7 +199,8 @@ class Customer(TransactionBase):
 				self.loyalty_program_tier = customer.loyalty_program_tier
 
 		if self.sales_team:
-			if sum(member.allocated_percentage or 0 for member in self.sales_team) != 100:
+			total = sum(flt(member.allocated_percentage) for member in self.sales_team)
+			if flt(total, self.precision("allocated_percentage", "sales_team")) != 100:
 				frappe.throw(_("Total contribution percentage should be equal to 100"))
 
 	@frappe.whitelist(methods=["POST"])
diff --git a/erpnext/selling/doctype/sales_order/test_sales_order.py b/erpnext/selling/doctype/sales_order/test_sales_order.py
index 0ec0f203c14..fdbc40ba235 100644
--- a/erpnext/selling/doctype/sales_order/test_sales_order.py
+++ b/erpnext/selling/doctype/sales_order/test_sales_order.py
@@ -3215,6 +3215,17 @@ class TestSalesOrder(ERPNextTestSuite):
 			so.save()
 			self.assertEqual(sum(d.allocated_percentage for d in so.sales_team), 100)
 
+		with self.subTest("floating-point drift in the total is tolerated"):
+			# 10.0 + 58.02 + 31.98 accumulates to 100.00000000000001 in binary floating point
+			so = make_sales_order(do_not_save=True)
+			for sales_person, percentage in (
+				("_Test Sales Person", 10.0),
+				("_Test Sales Person 1", 58.02),
+				("_Test Sales Person 2", 31.98),
+			):
+				so.append("sales_team", {"sales_person": sales_person, "allocated_percentage": percentage})
+			so.save()
+
 	def test_sales_team_disabled_sales_person_rejected(self):
 		frappe.db.set_value("Sales Person", "_Test Sales Person 2", "enabled", 0)
 		try: