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Add 14/21 and 16/20

14/21 + 16/20 is 22/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 20 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 21 × 20 = 420,
    14/21 = 14 × 20/21 × 20 = 280/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    16/20 = 16 × 21/20 × 21 = 336/420
  4. Add the two like fractions:
    280/420 + 336/420 = 280 + 336/420 = 616/420
  5. 616/420 simplified gives 22/15
  6. So, 14/21 + 16/20 = 22/15
    In mixed form: 17/15

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