1 files changed, 3 insertions, 0 deletions
diff --git a/apps/web/src/math/index.ts b/apps/web/src/math/index.ts
new file mode 100644
index 0000000..70dbb67
--- /dev/null
+++ b/apps/web/src/math/index.ts
@@ -0,0 +1,3 @@
+export function gcd(a: number, b: number): number {
+  return b === 0 ? Math.abs(a) : gcd(b, a % b);
+}