Subtract 70/8 from 35/7
1st number: 5 0/7, 2nd number: 8 6/8
35/7 - 70/8 is -15/4.
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,
35/7 = 35 × 8/7 × 8 = 280/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
70/8 = 70 × 7/8 × 7 = 490/56 - Subtract the two like fractions:
280/56 - 490/56 = 280 - 490/56 = -210/56 - After reducing the fraction, the answer is -15/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7-70/8 35/14-70/8 35/7-70/16 35/21-70/8 35/7-70/24 35/7-70/40 35/49-70/8 35/7-70/56