Subtract 30/98 from 9/90
9/90 - 30/98 is -101/490.
Steps for subtracting fractions
- 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 - For the 1st fraction, since 90 × 49 = 4410,
9/90 = 9 × 49/90 × 49 = 441/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
30/98 = 30 × 45/98 × 45 = 1350/4410 - Subtract the two like fractions:
441/4410 - 1350/4410 = 441 - 1350/4410 = -909/4410 - After reducing the fraction, the answer is -101/490
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