Subtract 40/49 from 25/50
25/50 - 40/49 is -31/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 49 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 50 × 49 = 2450,
25/50 = 25 × 49/50 × 49 = 1225/2450 - Likewise, for the 2nd fraction, since 49 × 50 = 2450,
40/49 = 40 × 50/49 × 50 = 2000/2450 - Subtract the two like fractions:
1225/2450 - 2000/2450 = 1225 - 2000/2450 = -775/2450 - After reducing the fraction, the answer is -31/98
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