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Add 1/2 and 21/72

1/2 + 21/72 is 19/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 2 × 36 = 72,
    1/2 = 1 × 36/2 × 36 = 36/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    21/72 = 21 × 1/72 × 1 = 21/72
  4. Add the two like fractions:
    36/72 + 21/72 = 36 + 21/72 = 57/72
  5. 57/72 simplified gives 19/24
  6. So, 1/2 + 21/72 = 19/24

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