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Add 9/7 and 15/9

1st number: 1 2/7, 2nd number: 1 6/9

9/7 + 15/9 is 62/21.

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,
    9/7 = 9 × 9/7 × 9 = 81/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    15/9 = 15 × 7/9 × 7 = 105/63
  4. Add the two fractions:
    81/63 + 105/63 = 81 + 105/63 = 186/63
  5. After reducing the fraction, the answer is 62/21
  6. In mixed form: 220/21

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