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Add 9/16 and 21/72

9/16 + 21/72 is 41/48.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 72 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 16 × 9 = 144,
    9/16 = 9 × 9/16 × 9 = 81/144
  3. Likewise, for the 2nd fraction, since 72 × 2 = 144,
    21/72 = 21 × 2/72 × 2 = 42/144
  4. Add the two like fractions:
    81/144 + 42/144 = 81 + 42/144 = 123/144
  5. 123/144 simplified gives 41/48
  6. So, 9/16 + 21/72 = 41/48

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