Subtract 25/36 from 42/98
42/98 - 25/36 is -67/252.
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,
25/36 = 25 × 49/36 × 49 = 1225/1764 - Subtract the two like fractions:
756/1764 - 1225/1764 = 756 - 1225/1764 = -469/1764 - After reducing the fraction, the answer is -67/252
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