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Add 7/90 and 90/98

7/90 + 90/98 is 4393/4410.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 98 is 4410
  2. For the 1st fraction, since 90 × 49 = 4410,
    7/90 = 7 × 49/90 × 49 = 343/4410
  3. Likewise, for the 2nd fraction, since 98 × 45 = 4410,
    90/98 = 90 × 45/98 × 45 = 4050/4410
  4. Add the two fractions:
    343/4410 + 4050/4410 = 343 + 4050/4410 = 4393/4410

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