Subtract 8/20 from 75/7
1st number: 10 5/7, 2nd number: 8/20
75/7 - 8/20 is 361/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
75/7 = 75 × 20/7 × 20 = 1500/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
8/20 = 8 × 7/20 × 7 = 56/140 - Subtract the two like fractions:
1500/140 - 56/140 = 1500 - 56/140 = 1444/140 - After reducing the fraction, the answer is 361/35
- In mixed form: 1011/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/7-16/20 75/14-8/20 75/7-8/40 75/7-24/20 75/21-8/20 75/7-8/60 75/7-40/20 75/35-8/20 75/7-56/20 75/49-8/20