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Add 21/54 and 3/49

21/54 + 3/49 is 397/882.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 49 is 2646

    Next, find the equivalent fraction of both fractional numbers with denominator 2646
  2. For the 1st fraction, since 54 × 49 = 2646,
    21/54 = 21 × 49/54 × 49 = 1029/2646
  3. Likewise, for the 2nd fraction, since 49 × 54 = 2646,
    3/49 = 3 × 54/49 × 54 = 162/2646
  4. Add the two like fractions:
    1029/2646 + 162/2646 = 1029 + 162/2646 = 1191/2646
  5. 1191/2646 simplified gives 397/882
  6. So, 21/54 + 3/49 = 397/882

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