fix(manufacturing): align quantity split rounding

erpnext/manufacturing/doctype/job_card/job_card.py

@@ -1567,7 +1567,11 @@ class JobCard(Document):
 			return
 
 		precision = self.precision("total_completed_qty")
-		accounted_qty = flt(kwargs.qty) + flt(kwargs.pending_qty) + flt(kwargs.process_loss_qty)
+		accounted_qty = flt(
+			flt(kwargs.qty, precision)
+			+ flt(kwargs.pending_qty, precision)
+			+ flt(kwargs.process_loss_qty, precision)
+		)
 
 		if flt(accounted_qty, precision) == flt(kwargs.for_quantity, precision):
 			return

erpnext/manufacturing/doctype/job_card/test_job_card.py

@@ -1831,6 +1831,12 @@ class TestJobCard(ERPNextTestSuite):
 			frappe._dict(for_quantity=3, qty=3, pending_qty=2, process_loss_qty=0),
 		)
 
+		self.assertRaises(
+			frappe.ValidationError,
+			jc.validate_completion_qty_split,
+			frappe._dict(for_quantity=1, qty=0.3334, pending_qty=0.3334, process_loss_qty=0.3334),
+		)
+
 
 def create_bom_with_multiple_operations():
 	"Create a BOM with multiple operations and Material Transfer against Job Card"