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Add 84/70 and 42/12

1st number: 1 14/70, 2nd number: 3 6/12

84/70 + 42/12 is 47/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 12 is 420
  2. For the 1st fraction, since 70 × 6 = 420,
    84/70 = 84 × 6/70 × 6 = 504/420
  3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
    42/12 = 42 × 35/12 × 35 = 1470/420
  4. Add the two fractions:
    504/420 + 1470/420 = 504 + 1470/420 = 1974/420
  5. 1974/420 simplified gives 47/10
  6. So, 84/70 + 42/12 = 47/10
    In mixed form: 47/10

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