Subtract 8/7 from 80/2
1st number: 40 0/2, 2nd number: 1 1/7
80/2 - 8/7 is 272/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
80/2 = 80 × 7/2 × 7 = 560/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
8/7 = 8 × 2/7 × 2 = 16/14 - Subtract the two like fractions:
560/14 - 16/14 = 560 - 16/14 = 544/14 - After reducing the fraction, the answer is 272/7
- In mixed form: 386/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2-16/7 80/4-8/7 80/2-8/14 80/2-24/7 80/6-8/7 80/2-8/21 80/2-40/7 80/10-8/7 80/2-8/35 80/2-56/7 80/14-8/7 80/2-8/49