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Add 7/15 and 15/18

7/15 + 15/18 is 13/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 18 is 90
  2. For the 1st fraction, since 15 × 6 = 90,
    7/15 = 7 × 6/15 × 6 = 42/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    15/18 = 15 × 5/18 × 5 = 75/90
  4. Add the two fractions:
    42/90 + 75/90 = 42 + 75/90 = 117/90
  5. After reducing the fraction, the answer is 13/10
  6. In mixed form: 13/10

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