From 66abef670463367f429a7261327fc3948787a97d Mon Sep 17 00:00:00 2001
From: Andrew Onyshchuk <andryk.rv@gmail.com>
Date: Thu, 6 Jun 2024 06:04:25 -0700
Subject: [PATCH] fraction bugfix (#1579)

---
 pkg/transformers/fraction.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pkg/transformers/fraction.go b/pkg/transformers/fraction.go
index fb90ab2bf..2216342fb 100644
--- a/pkg/transformers/fraction.go
+++ b/pkg/transformers/fraction.go
@@ -264,9 +264,12 @@ func (tr *TransformerFraction) Transform(
 						} else {
 							numerator = value
 						}
-
 						denominator := sumsForGroup[fractionFieldName]
-						if !mlrval.Equals(value, tr.zero) {
+
+						// Return 0 for 0/n
+						if mlrval.Equals(numerator, tr.zero) {
+							outputValue = tr.zero
+						} else if !mlrval.Equals(denominator, tr.zero) {
 							outputValue = bifs.BIF_divide(numerator, denominator)
 							outputValue = bifs.BIF_times(outputValue, tr.multiplier)
 						} else {