Subtract 49/56 from 2/20
2/20 - 49/56 is -31/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
2/20 = 2 × 14/20 × 14 = 28/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
49/56 = 49 × 5/56 × 5 = 245/280 - Subtract the two like fractions:
28/280 - 245/280 = 28 - 245/280 = -217/280 - After reducing the fraction, the answer is -31/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20-49/56 2/20-98/56 2/40-49/56 6/20-49/56 2/60-49/56 10/20-49/56 14/20-49/56