Subtract 1/8 from 80/7
1st number: 11 3/7, 2nd number: 1/8
80/7 - 1/8 is 633/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
80/7 = 80 × 8/7 × 8 = 640/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
1/8 = 1 × 7/8 × 7 = 7/56 - Subtract the two like fractions:
640/56 - 7/56 = 640 - 7/56 = 633/56 - In mixed form: 1117/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7-2/8 80/14-1/8 80/7-1/16 80/7-3/8 80/21-1/8 80/7-1/24 80/7-5/8 80/35-1/8 80/7-1/40 80/7-7/8 80/49-1/8 80/7-1/56