Subtract 42/49 from 7/25
7/25 - 42/49 is -101/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 49 is 1225
Next, find the equivalent fraction of both fractional numbers with denominator 1225 - For the 1st fraction, since 25 × 49 = 1225,
7/25 = 7 × 49/25 × 49 = 343/1225 - Likewise, for the 2nd fraction, since 49 × 25 = 1225,
42/49 = 42 × 25/49 × 25 = 1050/1225 - Subtract the two like fractions:
343/1225 - 1050/1225 = 343 - 1050/1225 = -707/1225 - After reducing the fraction, the answer is -101/175
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