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Add 9/90 and 21/98

9/90 + 21/98 is 11/35.

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,
    9/90 = 9 × 49/90 × 49 = 441/4410
  3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
    21/98 = 21 × 45/98 × 45 = 945/4410
  4. Add the two like fractions:
    441/4410 + 945/4410 = 441 + 945/4410 = 1386/4410
  5. 1386/4410 simplified gives 11/35
  6. So, 9/90 + 21/98 = 11/35

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