Fraction Calculator API

Add, subtract, multiply or divide fractions, mixed numbers and decimals exactly, with the simplified result, mixed number, decimal and worked steps.

POST /api/v1/tools/fraction-calculatorMCP fraction_calculatorCalculators

Add, subtract, multiply and divide fractions and mixed numbers. Get the simplified answer as a fraction, mixed number and decimal, with every step shown.

Input

Send these as a JSON object. Unknown fields are rejected.

a: First number: a fraction ("3/4"), mixed number ("1 1/2"), whole number ("-2") or decimal ("0.75"). (string, up to 60 characters, required)
operation: The operation to apply: a <op> b. (string, one of add, subtract, multiply, divide, required)
b: Second number, in the same forms as a. (string, up to 60 characters, required)

Try it in the browser JSON Schema Get an API key

curl https://pithlab.com/api/v1/tools/fraction-calculator \n  -H "Authorization: Bearer $PITHLAB_KEY" \n  -H "Content-Type: application/json" \n  -d '{"a":"1 1/2","operation":"add","b":"3/4"}'

Example response

{
  "ok": true,
  "result": {
    "fraction": "9/4",
    "mixed": "2 1/4",
    "decimal": {
      "exact": true,
      "repeating": "2.25",
      "approx": "2.25"
    },
    "steps": [
      "Convert the mixed number: 1 1/2 = 3/2",
      "Use the lowest common denominator 4: 3/2 = 6/4",
      "Add the numerators: 6/4 + 3/4 = 9/4",
      "As a mixed number: 9/4 = 2 1/4"
    ],
    "text": "1 1/2 + 3/4 = 9/4 = 2 1/4 = 2.25"
  }
}