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Add 6/21 and 75/84

6/21 + 75/84 is 33/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 21 × 4 = 84,
    6/21 = 6 × 4/21 × 4 = 24/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    75/84 = 75 × 1/84 × 1 = 75/84
  4. Add the two like fractions:
    24/84 + 75/84 = 24 + 75/84 = 99/84
  5. 99/84 simplified gives 33/28
  6. So, 6/21 + 75/84 = 33/28
    In mixed form: 15/28

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