Subtract 1/80 from 4/7
4/7 - 1/80 is 313/560.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
4/7 = 4 × 80/7 × 80 = 320/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
1/80 = 1 × 7/80 × 7 = 7/560 - Subtract the two like fractions:
320/560 - 7/560 = 320 - 7/560 = 313/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7-1/80 4/7-2/80 4/14-1/80 12/7-1/80 4/7-3/80 4/21-1/80 20/7-1/80 4/7-5/80 4/35-1/80 28/7-1/80 4/7-7/80 4/49-1/80