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Add 21/2 and 15/24

1st number: 10 1/2, 2nd number: 15/24

21/2 + 15/24 is 89/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 24 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 2 × 12 = 24,
    21/2 = 21 × 12/2 × 12 = 252/24
  3. Likewise, for the 2nd fraction, since 24 × 1 = 24,
    15/24 = 15 × 1/24 × 1 = 15/24
  4. Add the two like fractions:
    252/24 + 15/24 = 252 + 15/24 = 267/24
  5. 267/24 simplified gives 89/8
  6. So, 21/2 + 15/24 = 89/8
    In mixed form: 111/8

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