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Add 20/84 and 42/36

1st number: 20/84, 2nd number: 1 6/36

20/84 + 42/36 is 59/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 36 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 84 × 3 = 252,
    20/84 = 20 × 3/84 × 3 = 60/252
  3. Likewise, for the 2nd fraction, since 36 × 7 = 252,
    42/36 = 42 × 7/36 × 7 = 294/252
  4. Add the two like fractions:
    60/252 + 294/252 = 60 + 294/252 = 354/252
  5. 354/252 simplified gives 59/42
  6. So, 20/84 + 42/36 = 59/42
    In mixed form: 117/42

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