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Add 70/84 and 42/60

70/84 + 42/60 is 23/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 60 is 420
  2. For the 1st fraction, since 84 × 5 = 420,
    70/84 = 70 × 5/84 × 5 = 350/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    42/60 = 42 × 7/60 × 7 = 294/420
  4. Add the two fractions:
    350/420 + 294/420 = 350 + 294/420 = 644/420
  5. After reducing the fraction, the answer is 23/15
  6. In mixed form: 18/15

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