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Add 9/15 and 21/14

1st number: 9/15, 2nd number: 1 7/14

9/15 + 21/14 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 14 is 210
  2. For the 1st fraction, since 15 × 14 = 210,
    9/15 = 9 × 14/15 × 14 = 126/210
  3. Likewise, for the 2nd fraction, since 14 × 15 = 210,
    21/14 = 21 × 15/14 × 15 = 315/210
  4. Add the two fractions:
    126/210 + 315/210 = 126 + 315/210 = 441/210
  5. After reducing the fraction, the answer is 21/10
  6. In mixed form: 21/10

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