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Add 7/21 and 54/56

7/21 + 54/56 is 109/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 56 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    7/21 = 7 × 8/21 × 8 = 56/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    54/56 = 54 × 3/56 × 3 = 162/168
  4. Add the two like fractions:
    56/168 + 162/168 = 56 + 162/168 = 218/168
  5. 218/168 simplified gives 109/84
  6. So, 7/21 + 54/56 = 109/84
    In mixed form: 125/84

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