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Add 90/70 and 14/12

1st number: 1 20/70, 2nd number: 1 2/12

90/70 + 14/12 is 103/42.

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,
    90/70 = 90 × 6/70 × 6 = 540/420
  3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
    14/12 = 14 × 35/12 × 35 = 490/420
  4. Add the two like fractions:
    540/420 + 490/420 = 540 + 490/420 = 1030/420
  5. 1030/420 simplified gives 103/42
  6. So, 90/70 + 14/12 = 103/42
    In mixed form: 219/42

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