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Add 20/42 and 70/84

20/42 + 70/84 is 55/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 42 × 2 = 84,
    20/42 = 20 × 2/42 × 2 = 40/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    70/84 = 70 × 1/84 × 1 = 70/84
  4. Add the two like fractions:
    40/84 + 70/84 = 40 + 70/84 = 110/84
  5. 110/84 simplified gives 55/42
  6. So, 20/42 + 70/84 = 55/42
    In mixed form: 113/42

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