Subtract 25/20 from 20/49
1st number: 20/49, 2nd number: 1 5/20
20/49 - 25/20 is -165/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
20/49 = 20 × 20/49 × 20 = 400/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
25/20 = 25 × 49/20 × 49 = 1225/980 - Subtract the two like fractions:
400/980 - 1225/980 = 400 - 1225/980 = -825/980 - After reducing the fraction, the answer is -165/196
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