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Add 81/7 and 3/8

1st number: 11 4/7, 2nd number: 3/8

81/7 + 3/8 is 669/56.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 7 × 8 = 56,
    81/7 = 81 × 8/7 × 8 = 648/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    3/8 = 3 × 7/8 × 7 = 21/56
  4. Add the two like fractions:
    648/56 + 21/56 = 648 + 21/56 = 669/56
  5. So, 81/7 + 3/8 = 669/56
    In mixed form: 1153/56

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