Subtract 3/80 from 1/56
1/56 - 3/80 is -11/560.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 56 × 10 = 560,
1/56 = 1 × 10/56 × 10 = 10/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
3/80 = 3 × 7/80 × 7 = 21/560 - Subtract the two like fractions:
10/560 - 21/560 = 10 - 21/560 = -11/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/56-3/80 1/56-6/80 3/56-3/80 1/56-9/80 5/56-3/80 1/56-15/80 7/56-3/80 1/56-21/80