Subtract 20/49 from 25/75
25/75 - 20/49 is -11/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 49 is 3675
Next, find the equivalent fraction of both fractional numbers with denominator 3675 - For the 1st fraction, since 75 × 49 = 3675,
25/75 = 25 × 49/75 × 49 = 1225/3675 - Likewise, for the 2nd fraction, since 49 × 75 = 3675,
20/49 = 20 × 75/49 × 75 = 1500/3675 - Subtract the two like fractions:
1225/3675 - 1500/3675 = 1225 - 1500/3675 = -275/3675 - After reducing the fraction, the answer is -11/147
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