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Add 70/12 and 81/7

1st number: 5 10/12, 2nd number: 11 4/7

70/12 + 81/7 is 731/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    70/12 = 70 × 7/12 × 7 = 490/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    81/7 = 81 × 12/7 × 12 = 972/84
  4. Add the two like fractions:
    490/84 + 972/84 = 490 + 972/84 = 1462/84
  5. 1462/84 simplified gives 731/42
  6. So, 70/12 + 81/7 = 731/42
    In mixed form: 1717/42

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