Subtract 56/7 from 8/80
1st number: 8/80, 2nd number: 8 0/7
8/80 - 56/7 is -79/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
8/80 = 8 × 7/80 × 7 = 56/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
56/7 = 56 × 80/7 × 80 = 4480/560 - Subtract the two like fractions:
56/560 - 4480/560 = 56 - 4480/560 = -4424/560 - After reducing the fraction, the answer is -79/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/80-56/7 8/80-56/14 24/80-56/7 8/80-56/21 40/80-56/7 8/80-56/35 56/80-56/7 8/80-56/49