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Add 1/98 and 21/90

1/98 + 21/90 is 179/735.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 98 × 45 = 4410,
    1/98 = 1 × 45/98 × 45 = 45/4410
  3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
    21/90 = 21 × 49/90 × 49 = 1029/4410
  4. Add the two like fractions:
    45/4410 + 1029/4410 = 45 + 1029/4410 = 1074/4410
  5. 1074/4410 simplified gives 179/735
  6. So, 1/98 + 21/90 = 179/735

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