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Add 21/24 and 4/16

21/24 + 4/16 is 9/8.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 48
  2. For the 1st fraction, since 24 × 2 = 48,
    21/24 = 21 × 2/24 × 2 = 42/48
  3. Likewise, for the 2nd fraction, since 16 × 3 = 48,
    4/16 = 4 × 3/16 × 3 = 12/48
  4. Add the two like fractions:
    42/48 + 12/48 = 42 + 12/48 = 54/48
  5. 54/48 simplified gives 9/8
  6. So, 21/24 + 4/16 = 9/8
    In mixed form: 11/8

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