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Add 8/12 and 21/72

8/12 + 21/72 is 23/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 12 × 6 = 72,
    8/12 = 8 × 6/12 × 6 = 48/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    21/72 = 21 × 1/72 × 1 = 21/72
  4. Add the two like fractions:
    48/72 + 21/72 = 48 + 21/72 = 69/72
  5. 69/72 simplified gives 23/24
  6. So, 8/12 + 21/72 = 23/24

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