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Add 10/98 and 21/54

10/98 + 21/54 is 433/882.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 54 is 2646
  2. For the 1st fraction, since 98 × 27 = 2646,
    10/98 = 10 × 27/98 × 27 = 270/2646
  3. Likewise, for the 2nd fraction, since 54 × 49 = 2646,
    21/54 = 21 × 49/54 × 49 = 1029/2646
  4. Add the two fractions:
    270/2646 + 1029/2646 = 270 + 1029/2646 = 1299/2646
  5. After reducing the fraction, the answer is 433/882

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