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Add 16/42 and 21/36

16/42 + 21/36 is 27/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 36 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 42 × 6 = 252,
    16/42 = 16 × 6/42 × 6 = 96/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    21/36 = 21 × 7/36 × 7 = 147/252
  4. Add the two like fractions:
    96/252 + 147/252 = 96 + 147/252 = 243/252
  5. 243/252 simplified gives 27/28
  6. So, 16/42 + 21/36 = 27/28

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