Subtract 54/36 from 42/98
1st number: 42/98, 2nd number: 1 18/36
42/98 - 54/36 is -15/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 36 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 98 × 18 = 1764,
42/98 = 42 × 18/98 × 18 = 756/1764 - Likewise, for the 2nd fraction, since 36 × 49 = 1764,
54/36 = 54 × 49/36 × 49 = 2646/1764 - Subtract the two like fractions:
756/1764 - 2646/1764 = 756 - 2646/1764 = -1890/1764 - After reducing the fraction, the answer is -15/14
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