Subtract 80/90 from 84/98
84/98 - 80/90 is -2/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
84/98 = 84 × 45/98 × 45 = 3780/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
80/90 = 80 × 49/90 × 49 = 3920/4410 - Subtract the two like fractions:
3780/4410 - 3920/4410 = 3780 - 3920/4410 = -140/4410 - After reducing the fraction, the answer is -2/63
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