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Add 27/42 and 6/20

27/42 + 6/20 is 33/35.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 42 × 10 = 420,
    27/42 = 27 × 10/42 × 10 = 270/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    6/20 = 6 × 21/20 × 21 = 126/420
  4. Add the two like fractions:
    270/420 + 126/420 = 270 + 126/420 = 396/420
  5. 396/420 simplified gives 33/35
  6. So, 27/42 + 6/20 = 33/35

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