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Add 7/98 and 9/90

7/98 + 9/90 is 6/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 90 is 4410
  2. For the 1st fraction, since 98 × 45 = 4410,
    7/98 = 7 × 45/98 × 45 = 315/4410
  3. Likewise, for the 2nd fraction, since 90 × 49 = 4410,
    9/90 = 9 × 49/90 × 49 = 441/4410
  4. Add the two fractions:
    315/4410 + 441/4410 = 315 + 441/4410 = 756/4410
  5. 756/4410 simplified gives 6/35
  6. So, 7/98 + 9/90 = 6/35

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