Subtract 8/98 from 5/90
5/90 - 8/98 is -23/882.
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,
5/90 = 5 × 49/90 × 49 = 245/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
8/98 = 8 × 45/98 × 45 = 360/4410 - Subtract the two like fractions:
245/4410 - 360/4410 = 245 - 360/4410 = -115/4410 - After reducing the fraction, the answer is -23/882
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