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Add 15/98 and 21/27

15/98 + 21/27 is 821/882.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 27 is 2646

    Next, find the equivalent fraction of both fractional numbers with denominator 2646
  2. For the 1st fraction, since 98 × 27 = 2646,
    15/98 = 15 × 27/98 × 27 = 405/2646
  3. Likewise, for the 2nd fraction, since 27 × 98 = 2646,
    21/27 = 21 × 98/27 × 98 = 2058/2646
  4. Add the two like fractions:
    405/2646 + 2058/2646 = 405 + 2058/2646 = 2463/2646
  5. 2463/2646 simplified gives 821/882
  6. So, 15/98 + 21/27 = 821/882

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