Subtract 7/8 from 70/7
1st number: 10 0/7, 2nd number: 7/8
70/7 - 7/8 is 73/8.
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,
70/7 = 70 × 8/7 × 8 = 560/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
7/8 = 7 × 7/8 × 7 = 49/56 - Subtract the two like fractions:
560/56 - 49/56 = 560 - 49/56 = 511/56 - After reducing the fraction, the answer is 73/8
- In mixed form: 91/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7-14/8 70/14-7/8 70/7-7/16 70/7-21/8 70/21-7/8 70/7-7/24 70/7-35/8 70/35-7/8 70/7-7/40 70/7-49/8 70/49-7/8 70/7-7/56