Subtract 1/80 from 70/7
1st number: 10 0/7, 2nd number: 1/80
70/7 - 1/80 is 799/80.
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,
70/7 = 70 × 80/7 × 80 = 5600/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
1/80 = 1 × 7/80 × 7 = 7/560 - Subtract the two like fractions:
5600/560 - 7/560 = 5600 - 7/560 = 5593/560 - After reducing the fraction, the answer is 799/80
- In mixed form: 979/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7-2/80 70/14-1/80 70/7-3/80 70/21-1/80 70/7-5/80 70/35-1/80 70/7-7/80 70/49-1/80