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Add 8/7 and 12/9

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

8/7 + 12/9 is 52/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63
  2. For the 1st fraction, since 7 × 9 = 63,
    8/7 = 8 × 9/7 × 9 = 72/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    12/9 = 12 × 7/9 × 7 = 84/63
  4. Add the two fractions:
    72/63 + 84/63 = 72 + 84/63 = 156/63
  5. After reducing the fraction, the answer is 52/21
  6. In mixed form: 210/21

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