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Add 80/7 and 5/8

1st number: 11 3/7, 2nd number: 5/8

80/7 + 5/8 is 675/56.

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,
    80/7 = 80 × 8/7 × 8 = 640/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    5/8 = 5 × 7/8 × 7 = 35/56
  4. Add the two like fractions:
    640/56 + 35/56 = 640 + 35/56 = 675/56
  5. So, 80/7 + 5/8 = 675/56
    In mixed form: 123/56

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