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Add 10/15 and 20/18

1st number: 10/15, 2nd number: 1 2/18

10/15 + 20/18 is 16/9.

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,
    10/15 = 10 × 6/15 × 6 = 60/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    20/18 = 20 × 5/18 × 5 = 100/90
  4. Add the two fractions:
    60/90 + 100/90 = 60 + 100/90 = 160/90
  5. After reducing the fraction, the answer is 16/9
  6. In mixed form: 17/9

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