Subtract 27/20 from 20/49
1st number: 20/49, 2nd number: 1 7/20
20/49 - 27/20 is -923/980.
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,
27/20 = 27 × 49/20 × 49 = 1323/980 - Subtract the two like fractions:
400/980 - 1323/980 = 400 - 1323/980 = -923/980
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