Subtract 54/20 from 72/98
1st number: 72/98, 2nd number: 2 14/20
72/98 - 54/20 is -963/490.
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,
72/98 = 72 × 10/98 × 10 = 720/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
54/20 = 54 × 49/20 × 49 = 2646/980 - Subtract the two like fractions:
720/980 - 2646/980 = 720 - 2646/980 = -1926/980 - After reducing the fraction, the answer is -963/490
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