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Add 28/90 and 63/98

28/90 + 63/98 is 601/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 98 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 90 × 49 = 4410,
    28/90 = 28 × 49/90 × 49 = 1372/4410
  3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
    63/98 = 63 × 45/98 × 45 = 2835/4410
  4. Add the two like fractions:
    1372/4410 + 2835/4410 = 1372 + 2835/4410 = 4207/4410
  5. 4207/4410 simplified gives 601/630
  6. So, 28/90 + 63/98 = 601/630

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