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Add 16/20 and 10/42

16/20 + 10/42 is 109/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 42 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    16/20 = 16 × 21/20 × 21 = 336/420
  3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
    10/42 = 10 × 10/42 × 10 = 100/420
  4. Add the two like fractions:
    336/420 + 100/420 = 336 + 100/420 = 436/420
  5. 436/420 simplified gives 109/105
  6. So, 16/20 + 10/42 = 109/105
    In mixed form: 14/105

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