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Add 70/84 and 60/63

70/84 + 60/63 is 25/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 84 × 3 = 252,
    70/84 = 70 × 3/84 × 3 = 210/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    60/63 = 60 × 4/63 × 4 = 240/252
  4. Add the two like fractions:
    210/252 + 240/252 = 210 + 240/252 = 450/252
  5. 450/252 simplified gives 25/14
  6. So, 70/84 + 60/63 = 25/14
    In mixed form: 111/14

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