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Add 70/84 and 6/7

70/84 + 6/7 is 71/42.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 84 × 1 = 84,
    70/84 = 70 × 1/84 × 1 = 70/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    6/7 = 6 × 12/7 × 12 = 72/84
  4. Add the two like fractions:
    70/84 + 72/84 = 70 + 72/84 = 142/84
  5. 142/84 simplified gives 71/42
  6. So, 70/84 + 6/7 = 71/42
    In mixed form: 129/42

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