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Add 20/28 and 70/84

20/28 + 70/84 is 65/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 28 × 3 = 84,
    20/28 = 20 × 3/28 × 3 = 60/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    70/84 = 70 × 1/84 × 1 = 70/84
  4. Add the two like fractions:
    60/84 + 70/84 = 60 + 70/84 = 130/84
  5. 130/84 simplified gives 65/42
  6. So, 20/28 + 70/84 = 65/42
    In mixed form: 123/42

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