1 files changed, 12 insertions, 1 deletions
diff --git a/ui/app/conversion-util.js b/ui/app/conversion-util.js
index 100402d95..a7a226cc5 100644
--- a/ui/app/conversion-util.js
+++ b/ui/app/conversion-util.js
@@ -140,7 +140,7 @@ const addCurrencies = (a, b, options = {}) => {
     bBase,
     ...conversionOptions
   } = options
-  const value = (new BigNumber(a, aBase)).add(b, bBase)
+  const value = (new BigNumber(a.toString(), aBase)).add(b.toString(), bBase)
 
   return converter({
     value,
@@ -190,6 +190,16 @@ const conversionGreaterThan = (
   return firstValue.gt(secondValue)
 }
 
+const conversionLessThan = (
+  { ...firstProps },
+  { ...secondProps },
+) => {
+  const firstValue = converter({ ...firstProps })
+  const secondValue = converter({ ...secondProps })
+
+  return firstValue.lt(secondValue)
+}
+
 const conversionMax = (
   { ...firstProps },
   { ...secondProps },
@@ -229,6 +239,7 @@ module.exports = {
   addCurrencies,
   multiplyCurrencies,
   conversionGreaterThan,
+  conversionLessThan,
   conversionGTE,
   conversionLTE,
   conversionMax,