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Add 14/21 and 40/84

14/21 + 40/84 is 8/7.

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,
    14/21 = 14 × 4/21 × 4 = 56/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    40/84 = 40 × 1/84 × 1 = 40/84
  4. Add the two like fractions:
    56/84 + 40/84 = 56 + 40/84 = 96/84
  5. 96/84 simplified gives 8/7
  6. So, 14/21 + 40/84 = 8/7
    In mixed form: 11/7

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