1 files changed, 13 insertions, 0 deletions
diff --git a/apps/web/src/utils/geometry.ts b/apps/web/src/utils/geometry.ts
new file mode 100644
index 00000000..23fc4f46
--- /dev/null
+++ b/apps/web/src/utils/geometry.ts
@@ -0,0 +1,13 @@
+export function dimensionToAspectRatio({
+	width,
+	height,
+}: {
+	width: number;
+	height: number;
+}): string {
+	const gcd = (a: number, b: number): number => (b === 0 ? a : gcd(b, a % b));
+	const divisor = gcd(width, height);
+	const aspectWidth = width / divisor;
+	const aspectHeight = height / divisor;
+	return `${aspectWidth}:${aspectHeight}`;
+}