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Add 16/80 and 15/81

16/80 + 15/81 is 52/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 81 is 6480

    Next, find the equivalent fraction of both fractional numbers with denominator 6480
  2. For the 1st fraction, since 80 × 81 = 6480,
    16/80 = 16 × 81/80 × 81 = 1296/6480
  3. Likewise, for the 2nd fraction, since 81 × 80 = 6480,
    15/81 = 15 × 80/81 × 80 = 1200/6480
  4. Add the two like fractions:
    1296/6480 + 1200/6480 = 1296 + 1200/6480 = 2496/6480
  5. 2496/6480 simplified gives 52/135
  6. So, 16/80 + 15/81 = 52/135

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