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Add 21/24 and 25/72

21/24 + 25/72 is 11/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 24 × 3 = 72,
    21/24 = 21 × 3/24 × 3 = 63/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    25/72 = 25 × 1/72 × 1 = 25/72
  4. Add the two like fractions:
    63/72 + 25/72 = 63 + 25/72 = 88/72
  5. 88/72 simplified gives 11/9
  6. So, 21/24 + 25/72 = 11/9
    In mixed form: 12/9

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