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Add 6/20 and 27/42

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

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,
    6/20 = 6 × 21/20 × 21 = 126/420
  3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
    27/42 = 27 × 10/42 × 10 = 270/420
  4. Add the two like fractions:
    126/420 + 270/420 = 126 + 270/420 = 396/420
  5. 396/420 simplified gives 33/35
  6. So, 6/20 + 27/42 = 33/35

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