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Add 15/8 and 80/9

1st number: 1 7/8, 2nd number: 8 8/9

15/8 + 80/9 is 775/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    15/8 = 15 × 9/8 × 9 = 135/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    80/9 = 80 × 8/9 × 8 = 640/72
  4. Add the two like fractions:
    135/72 + 640/72 = 135 + 640/72 = 775/72
  5. So, 15/8 + 80/9 = 775/72
    In mixed form: 1055/72

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