Subtract 12/49 from 20/25
20/25 - 12/49 is 136/245.
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,
20/25 = 20 × 49/25 × 49 = 980/1225 - Likewise, for the 2nd fraction, since 49 × 25 = 1225,
12/49 = 12 × 25/49 × 25 = 300/1225 - Subtract the two like fractions:
980/1225 - 300/1225 = 980 - 300/1225 = 680/1225 - After reducing the fraction, the answer is 136/245
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