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Add 42/8 and 90/7

1st number: 5 2/8, 2nd number: 12 6/7

42/8 + 90/7 is 507/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 7 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 8 × 7 = 56,
    42/8 = 42 × 7/8 × 7 = 294/56
  3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
    90/7 = 90 × 8/7 × 8 = 720/56
  4. Add the two like fractions:
    294/56 + 720/56 = 294 + 720/56 = 1014/56
  5. 1014/56 simplified gives 507/28
  6. So, 42/8 + 90/7 = 507/28
    In mixed form: 183/28

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