diff --git a/jsrepo-manifest.json b/jsrepo-manifest.json
index 7f67c9a..3b3e727 100644
--- a/jsrepo-manifest.json
+++ b/jsrepo-manifest.json
@@ -8,7 +8,10 @@
 				"category": "types",
 				"tests": true,
 				"subdirectory": false,
-				"files": ["result.ts", "result.test.ts"],
+				"files": [
+					"result.ts",
+					"result.test.ts"
+				],
 				"localDependencies": [],
 				"dependencies": [],
 				"devDependencies": []
@@ -24,7 +27,10 @@
 				"category": "utilities",
 				"tests": true,
 				"subdirectory": false,
-				"files": ["array-sum.ts", "array-sum.test.ts"],
+				"files": [
+					"array-sum.ts",
+					"array-sum.test.ts"
+				],
 				"localDependencies": [],
 				"dependencies": [],
 				"devDependencies": []
@@ -35,7 +41,10 @@
 				"category": "utilities",
 				"tests": true,
 				"subdirectory": false,
-				"files": ["array-to-map.ts", "array-to-map.test.ts"],
+				"files": [
+					"array-to-map.ts",
+					"array-to-map.test.ts"
+				],
 				"localDependencies": [],
 				"dependencies": [],
 				"devDependencies": []
@@ -46,7 +55,10 @@
 				"category": "utilities",
 				"tests": true,
 				"subdirectory": false,
-				"files": ["dispatcher.ts", "dispatcher.test.ts"],
+				"files": [
+					"dispatcher.ts",
+					"dispatcher.test.ts"
+				],
 				"localDependencies": [],
 				"dependencies": [],
 				"devDependencies": []
@@ -57,8 +69,14 @@
 				"category": "utilities",
 				"tests": true,
 				"subdirectory": false,
-				"files": ["ipv4-address.ts", "ipv4-address.test.ts"],
-				"localDependencies": ["types/result", "utilities/is-number"],
+				"files": [
+					"ipv4-address.ts",
+					"ipv4-address.test.ts"
+				],
+				"localDependencies": [
+					"types/result",
+					"utilities/is-number"
+				],
 				"dependencies": [],
 				"devDependencies": []
 			},
@@ -68,7 +86,10 @@
 				"category": "utilities",
 				"tests": true,
 				"subdirectory": false,
-				"files": ["is-number.ts", "is-number.test.ts"],
+				"files": [
+					"is-number.ts",
+					"is-number.test.ts"
+				],
 				"localDependencies": [],
 				"dependencies": [],
 				"devDependencies": []
@@ -79,8 +100,13 @@
 				"category": "utilities",
 				"tests": true,
 				"subdirectory": false,
-				"files": ["lines.ts", "lines.test.ts"],
-				"localDependencies": ["utilities/pad"],
+				"files": [
+					"lines.ts",
+					"lines.test.ts"
+				],
+				"localDependencies": [
+					"utilities/pad"
+				],
 				"dependencies": [],
 				"devDependencies": []
 			},
@@ -90,7 +116,27 @@
 				"category": "utilities",
 				"tests": true,
 				"subdirectory": false,
-				"files": ["map-to-array.ts", "map-to-array.test.ts"],
+				"files": [
+					"map-to-array.ts",
+					"map-to-array.test.ts"
+				],
+				"localDependencies": [],
+				"dependencies": [],
+				"devDependencies": []
+			},
+			{
+				"name": "math",
+				"directory": "src/utilities/math",
+				"category": "utilities",
+				"tests": true,
+				"subdirectory": true,
+				"files": [
+					"fractions.test.ts",
+					"fractions.ts",
+					"gcf.test.ts",
+					"gcf.ts",
+					"index.ts"
+				],
 				"localDependencies": [],
 				"dependencies": [],
 				"devDependencies": []
@@ -101,8 +147,13 @@
 				"category": "utilities",
 				"tests": true,
 				"subdirectory": false,
-				"files": ["pad.ts", "pad.test.ts"],
-				"localDependencies": ["utilities/strip-ansi"],
+				"files": [
+					"pad.ts",
+					"pad.test.ts"
+				],
+				"localDependencies": [
+					"utilities/strip-ansi"
+				],
 				"dependencies": [],
 				"devDependencies": []
 			},
@@ -112,7 +163,10 @@
 				"category": "utilities",
 				"tests": true,
 				"subdirectory": false,
-				"files": ["sleep.ts", "sleep.test.ts"],
+				"files": [
+					"sleep.ts",
+					"sleep.test.ts"
+				],
 				"localDependencies": [],
 				"dependencies": [],
 				"devDependencies": []
@@ -123,7 +177,10 @@
 				"category": "utilities",
 				"tests": true,
 				"subdirectory": false,
-				"files": ["stopwatch.ts", "stopwatch.test.ts"],
+				"files": [
+					"stopwatch.ts",
+					"stopwatch.test.ts"
+				],
 				"localDependencies": [],
 				"dependencies": [],
 				"devDependencies": []
@@ -134,9 +191,14 @@
 				"category": "utilities",
 				"tests": true,
 				"subdirectory": false,
-				"files": ["strip-ansi.ts", "strip-ansi.test.ts"],
+				"files": [
+					"strip-ansi.ts",
+					"strip-ansi.test.ts"
+				],
 				"localDependencies": [],
-				"dependencies": ["ansi-regex@^6.1.0"],
+				"dependencies": [
+					"ansi-regex@^6.1.0"
+				],
 				"devDependencies": []
 			},
 			{
@@ -145,11 +207,14 @@
 				"category": "utilities",
 				"tests": true,
 				"subdirectory": false,
-				"files": ["truncate.ts", "truncate.test.ts"],
+				"files": [
+					"truncate.ts",
+					"truncate.test.ts"
+				],
 				"localDependencies": [],
 				"dependencies": [],
 				"devDependencies": []
 			}
 		]
 	}
-]
+]
\ No newline at end of file