diff --git a/commands/analyze/aspect-ratio.js b/commands/analyze/aspect-ratio.js
index e813a889..176dd999 100644
--- a/commands/analyze/aspect-ratio.js
+++ b/commands/analyze/aspect-ratio.js
@@ -1,6 +1,7 @@
 const Command = require('../../structures/Command');
 const { loadImage } = require('canvas');
 const request = require('node-superfetch');
+const { gcd } = require('../../util/Util');
 
 module.exports = class AspectRatioCommand extends Command {
 	constructor(client) {
@@ -28,28 +29,10 @@ module.exports = class AspectRatioCommand extends Command {
 		try {
 			const { body } = await request.get(image);
 			const data = await loadImage(body);
-			return msg.reply(`This image has an aspect ratio of **${this.ratio(data.width, data.height)}**.`);
+			const common = gcd(data.width, data.height);
+			return msg.reply(`This image has an aspect ratio of **${data.width / common}:${data.height / common}**.`);
 		} catch (err) {
 			return msg.reply(`Oh no, an error occurred: \`${err.message}\`. Try again later!`);
 		}
 	}
-
-	gcd(a, b) {
-		if (b > a) {
-			const temp = a;
-			a = b;
-			b = temp;
-		}
-		while (b !== 0) {
-			const m = a % b;
-			a = b;
-			b = m;
-		}
-		return a;
-	}
-
-	ratio(x, y) {
-		const c = this.gcd(x, y);
-		return `${x / c}:${y / c}`;
-	}
 };
diff --git a/commands/edit-number/gcd.js b/commands/edit-number/gcd.js
new file mode 100644
index 00000000..a1aa1ca5
--- /dev/null
+++ b/commands/edit-number/gcd.js
@@ -0,0 +1,36 @@
+const Command = require('../../structures/Command');
+const { gcd } = require('../../util/Util');
+
+module.exports = class GcdCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'gcd',
+			aliases: ['greatest-common-denominator'],
+			group: 'edit-number',
+			memberName: 'gcd',
+			description: 'Determines two numbers\' greatest common denominator.',
+			args: [
+				{
+					key: 'number1',
+					label: 'first number',
+					prompt: 'What is the first number you want to check?',
+					type: 'integer',
+					max: Number.MAX_SAFE_INTEGER,
+					min: 1
+				},
+				{
+					key: 'number2',
+					label: 'second number',
+					prompt: 'What is the second number you want to check?',
+					type: 'integer',
+					max: Number.MAX_SAFE_INTEGER,
+					min: 1
+				}
+			]
+		});
+	}
+
+	run(msg, { number1, number2 }) {
+		return msg.reply(gcd(number1, number2));
+	}
+};
diff --git a/package.json b/package.json
index cc9fab63..fca10ae6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "xiao",
-	"version": "139.1.0",
+	"version": "139.2.0",
 	"description": "Your personal server companion.",
 	"main": "Xiao.js",
 	"private": true,
diff --git a/util/Util.js b/util/Util.js
index f6ab991e..401c9230 100644
--- a/util/Util.js
+++ b/util/Util.js
@@ -111,6 +111,20 @@ module.exports = class Util {
 		return crypto.createHash(algorithm).update(text).digest('hex');
 	}
 
+	static gcd(a, b) {
+		if (b > a) {
+			const temp = a;
+			a = b;
+			b = temp;
+		}
+		while (b !== 0) {
+			const m = a % b;
+			a = b;
+			b = m;
+		}
+		return a;
+	}
+
 	static streamToArray(stream) {
 		if (!stream.readable) return Promise.resolve([]);
 		return new Promise((resolve, reject) => {