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Add 4/49 and 21/54

4/49 + 21/54 is 415/882.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 54 is 2646
  2. For the 1st fraction, since 49 × 54 = 2646,
    4/49 = 4 × 54/49 × 54 = 216/2646
  3. Likewise, for the 2nd fraction, since 54 × 49 = 2646,
    21/54 = 21 × 49/54 × 49 = 1029/2646
  4. Add the two fractions:
    216/2646 + 1029/2646 = 216 + 1029/2646 = 1245/2646
  5. 1245/2646 simplified gives 415/882
  6. So, 4/49 + 21/54 = 415/882

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