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Add 1/54 and 21/49

1/54 + 21/49 is 169/378.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 49 is 2646
  2. For the 1st fraction, since 54 × 49 = 2646,
    1/54 = 1 × 49/54 × 49 = 49/2646
  3. Likewise, for the 2nd fraction, since 49 × 54 = 2646,
    21/49 = 21 × 54/49 × 54 = 1134/2646
  4. Add the two fractions:
    49/2646 + 1134/2646 = 49 + 1134/2646 = 1183/2646
  5. After reducing the fraction, the answer is 169/378

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