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Add 10/54 and 21/98

10/54 + 21/98 is 151/378.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 98 is 2646
  2. For the 1st fraction, since 54 × 49 = 2646,
    10/54 = 10 × 49/54 × 49 = 490/2646
  3. Likewise, for the 2nd fraction, since 98 × 27 = 2646,
    21/98 = 21 × 27/98 × 27 = 567/2646
  4. Add the two fractions:
    490/2646 + 567/2646 = 490 + 567/2646 = 1057/2646
  5. 1057/2646 simplified gives 151/378
  6. So, 10/54 + 21/98 = 151/378

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