Subtract 7/80 from 80/7
1st number: 11 3/7, 2nd number: 7/80
80/7 - 7/80 is 6351/560.
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,
80/7 = 80 × 80/7 × 80 = 6400/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
7/80 = 7 × 7/80 × 7 = 49/560 - Subtract the two like fractions:
6400/560 - 49/560 = 6400 - 49/560 = 6351/560 - In mixed form: 11191/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7-14/80 80/14-7/80 80/7-21/80 80/21-7/80 80/7-35/80 80/35-7/80 80/7-49/80 80/49-7/80