Subtract 80/98 from 20/27
20/27 - 80/98 is -100/1323.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 98 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 27 × 98 = 2646,
20/27 = 20 × 98/27 × 98 = 1960/2646 - Likewise, for the 2nd fraction, since 98 × 27 = 2646,
80/98 = 80 × 27/98 × 27 = 2160/2646 - Subtract the two like fractions:
1960/2646 - 2160/2646 = 1960 - 2160/2646 = -200/2646 - After reducing the fraction, the answer is -100/1323
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