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Add 84/70 and 3/12

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

84/70 + 3/12 is 29/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 12 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 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,
    3/12 = 3 × 35/12 × 35 = 105/420
  4. Add the two like fractions:
    504/420 + 105/420 = 504 + 105/420 = 609/420
  5. 609/420 simplified gives 29/20
  6. So, 84/70 + 3/12 = 29/20
    In mixed form: 19/20

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