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Add 80/7 and 28/9

1st number: 11 3/7, 2nd number: 3 1/9

80/7 + 28/9 is 916/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 7 × 9 = 63,
    80/7 = 80 × 9/7 × 9 = 720/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    28/9 = 28 × 7/9 × 7 = 196/63
  4. Add the two like fractions:
    720/63 + 196/63 = 720 + 196/63 = 916/63
  5. So, 80/7 + 28/9 = 916/63
    In mixed form: 1434/63

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