{
  "version": 1,
  "title": "Ejemplo de fracciones",
  "tags": ["fracciones", "repaso"],
  "questions": [
    {
      "id": "fracciones-1",
      "subject": "Matemáticas",
      "question": "Calcula \\(\\frac{1}{2} + \\frac{1}{2}\\).",
      "alternatives": [
        { "id": "a", "text": "\\(1\\)" },
        { "id": "b", "text": "\\(\\frac{1}{2}\\)" }
      ],
      "correctAnswerId": "a",
      "explanation": "Sumamos los numeradores: \\[\\frac{1+1}{2}=1\\]."
    }
  ]
}