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Add 27/42 and 20/35

27/42 + 20/35 is 17/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 35 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    27/42 = 27 × 5/42 × 5 = 135/210
  3. Likewise, for the 2nd fraction, since 35 × 6 = 210,
    20/35 = 20 × 6/35 × 6 = 120/210
  4. Add the two like fractions:
    135/210 + 120/210 = 135 + 120/210 = 255/210
  5. 255/210 simplified gives 17/14
  6. So, 27/42 + 20/35 = 17/14
    In mixed form: 13/14

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