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Add 20/15 and 18/5

1st number: 1 5/15, 2nd number: 3 3/5

20/15 + 18/5 is 74/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 5 is 15
  2. For the 1st fraction, since 15 × 1 = 15,
    20/15 = 20 × 1/15 × 1 = 20/15
  3. Likewise, for the 2nd fraction, since 5 × 3 = 15,
    18/5 = 18 × 3/5 × 3 = 54/15
  4. Add the two fractions:
    20/15 + 54/15 = 20 + 54/15 = 74/15
  5. In mixed form: 414/15

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