{
  "answer": "0.1+0.2 = 0.3 = 3/10 exactly.",
  "expression": "0.1+0.2",
  "fraction": "3/10",
  "numerator": "3",
  "denominator": "10",
  "decimal": "0.3",
  "terminates": true,
  "repeating": null,
  "truncated": false,
  "method": "Exact rational arithmetic with arbitrary-precision integers. Supports + - * / ^ (integer exponents), parentheses, decimals, and e-notation. No floating point.",
  "deterministic": true,
  "docs": "https://bozos.si/tools/fetch#calc"
}