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Add 1/7 and 15/9

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

1/7 + 15/9 is 38/21.

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,
    1/7 = 1 × 9/7 × 9 = 9/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    15/9 = 15 × 7/9 × 7 = 105/63
  4. Add the two fractions:
    9/63 + 105/63 = 9 + 105/63 = 114/63
  5. After reducing the fraction, the answer is 38/21
  6. In mixed form: 117/21

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