Subtract 5/8 from 80/7
1st number: 11 3/7, 2nd number: 5/8
80/7 - 5/8 is 605/56.
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,
5/8 = 5 × 7/8 × 7 = 35/56 - Subtract the two like fractions:
640/56 - 35/56 = 640 - 35/56 = 605/56 - In mixed form: 1045/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7-10/8 80/14-5/8 80/7-5/16 80/7-15/8 80/21-5/8 80/7-5/24 80/7-25/8 80/35-5/8 80/7-5/40 80/7-35/8 80/49-5/8 80/7-5/56