Subtract 1/56 from 8/20
8/20 - 1/56 is 107/280.
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,
8/20 = 8 × 14/20 × 14 = 112/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
1/56 = 1 × 5/56 × 5 = 5/280 - Subtract the two like fractions:
112/280 - 5/280 = 112 - 5/280 = 107/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20-1/56 8/20-2/56 8/40-1/56 24/20-1/56 8/20-3/56 8/60-1/56 40/20-1/56 8/20-5/56 56/20-1/56 8/20-7/56