Subtract 49/20 from 25/56
1st number: 25/56, 2nd number: 2 9/20
25/56 - 49/20 is -561/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
25/56 = 25 × 5/56 × 5 = 125/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
49/20 = 49 × 14/20 × 14 = 686/280 - Subtract the two like fractions:
125/280 - 686/280 = 125 - 686/280 = -561/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/56-49/20 25/56-98/20 25/56-49/40 75/56-49/20 25/56-49/60