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Add 20/54 and 21/98

20/54 + 21/98 is 221/378.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 98 is 2646

    Next, find the equivalent fraction of both fractional numbers with denominator 2646
  2. For the 1st fraction, since 54 × 49 = 2646,
    20/54 = 20 × 49/54 × 49 = 980/2646
  3. Likewise, for the 2nd fraction, since 98 × 27 = 2646,
    21/98 = 21 × 27/98 × 27 = 567/2646
  4. Add the two like fractions:
    980/2646 + 567/2646 = 980 + 567/2646 = 1547/2646
  5. 1547/2646 simplified gives 221/378
  6. So, 20/54 + 21/98 = 221/378

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