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Add 5/16 and 63/81

5/16 + 63/81 is 157/144.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 81 is 1296

    Next, find the equivalent fraction of both fractional numbers with denominator 1296
  2. For the 1st fraction, since 16 × 81 = 1296,
    5/16 = 5 × 81/16 × 81 = 405/1296
  3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
    63/81 = 63 × 16/81 × 16 = 1008/1296
  4. Add the two like fractions:
    405/1296 + 1008/1296 = 405 + 1008/1296 = 1413/1296
  5. 1413/1296 simplified gives 157/144
  6. So, 5/16 + 63/81 = 157/144
    In mixed form: 113/144

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