Subtract 12/20 from 25/98
25/98 - 12/20 is -169/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 98 × 10 = 980,
25/98 = 25 × 10/98 × 10 = 250/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
12/20 = 12 × 49/20 × 49 = 588/980 - Subtract the two like fractions:
250/980 - 588/980 = 250 - 588/980 = -338/980 - After reducing the fraction, the answer is -169/490
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