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Add 21/15 and 24/36

1st number: 1 6/15, 2nd number: 24/36

21/15 + 24/36 is 31/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 15 × 12 = 180,
    21/15 = 21 × 12/15 × 12 = 252/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    24/36 = 24 × 5/36 × 5 = 120/180
  4. Add the two like fractions:
    252/180 + 120/180 = 252 + 120/180 = 372/180
  5. 372/180 simplified gives 31/15
  6. So, 21/15 + 24/36 = 31/15
    In mixed form: 21/15

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