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Add 15/18 and 10/90

15/18 + 10/90 is 17/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 90 is 90
  2. For the 1st fraction, since 18 × 5 = 90,
    15/18 = 15 × 5/18 × 5 = 75/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    10/90 = 10 × 1/90 × 1 = 10/90
  4. Add the two fractions:
    75/90 + 10/90 = 75 + 10/90 = 85/90
  5. After reducing the fraction, the answer is 17/18

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