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Subtract 6/49 from 7/90

7/90 - 6/49 is -197/4410.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 49 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 49 × 90 = 4410,
    6/49 = 6 × 90/49 × 90 = 540/4410
  4. Subtract the two fractions:
    343/4410 - 540/4410 = 343 - 540/4410 = -197/4410

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