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Add 21/16 and 15/24

1st number: 1 5/16, 2nd number: 15/24

21/16 + 15/24 is 31/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 24 is 48

    Next, find the equivalent fraction of both fractional numbers with denominator 48
  2. For the 1st fraction, since 16 × 3 = 48,
    21/16 = 21 × 3/16 × 3 = 63/48
  3. Likewise, for the 2nd fraction, since 24 × 2 = 48,
    15/24 = 15 × 2/24 × 2 = 30/48
  4. Add the two like fractions:
    63/48 + 30/48 = 63 + 30/48 = 93/48
  5. 93/48 simplified gives 31/16
  6. So, 21/16 + 15/24 = 31/16
    In mixed form: 115/16

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