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GET /v1/calc

Fraction arithmetic

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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/fraction-api

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Code snippets

curl "https://api.oanor.com/fraction-api/v1/calc" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/fraction-api/v1/calc", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/fraction-api/v1/calc");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/fraction-api/v1/calc",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "a": "1/2",
        "b": "1/3",
        "op": "add",
        "result": {
            "mixed": {
                "text": "0 5/6",
                "whole": 0,
                "fraction": "5/6"
            },
            "decimal": "0.833333333333",
            "fraction": "5/6",
            "is_whole": false,
            "numerator": 5,
            "denominator": 6
        }
    },
    "meta": {
        "timestamp": "2026-06-03T17:42:20.979Z",
        "request_id": "f56e8d29-11de-4245-8b4f-d1b48214eb7c"
    },
    "status": "ok",
    "message": "Fraction arithmetic",
    "success": true
}