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Add 16/24 and 15/21

16/24 + 15/21 is 29/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 21 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 24 × 7 = 168,
    16/24 = 16 × 7/24 × 7 = 112/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    15/21 = 15 × 8/21 × 8 = 120/168
  4. Add the two like fractions:
    112/168 + 120/168 = 112 + 120/168 = 232/168
  5. 232/168 simplified gives 29/21
  6. So, 16/24 + 15/21 = 29/21
    In mixed form: 18/21

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