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Add 42/56 and 90/7

1st number: 42/56, 2nd number: 12 6/7

42/56 + 90/7 is 381/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 7 is 56
  2. For the 1st fraction, since 56 × 1 = 56,
    42/56 = 42 × 1/56 × 1 = 42/56
  3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
    90/7 = 90 × 8/7 × 8 = 720/56
  4. Add the two fractions:
    42/56 + 720/56 = 42 + 720/56 = 762/56
  5. After reducing the fraction, the answer is 381/28
  6. In mixed form: 1317/28

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