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Add 16/21 and 5/80

16/21 + 5/80 is 277/336.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 80 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 21 × 80 = 1680,
    16/21 = 16 × 80/21 × 80 = 1280/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    5/80 = 5 × 21/80 × 21 = 105/1680
  4. Add the two like fractions:
    1280/1680 + 105/1680 = 1280 + 105/1680 = 1385/1680
  5. 1385/1680 simplified gives 277/336
  6. So, 16/21 + 5/80 = 277/336

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