Subtract 35/20 from 35/7
1st number: 5 0/7, 2nd number: 1 15/20
35/7 - 35/20 is 13/4.
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,
35/7 = 35 × 20/7 × 20 = 700/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
35/20 = 35 × 7/20 × 7 = 245/140 - Subtract the two like fractions:
700/140 - 245/140 = 700 - 245/140 = 455/140 - After reducing the fraction, the answer is 13/4
- In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7-35/20 35/7-70/20 35/14-35/20 35/7-35/40 35/21-35/20 35/7-35/60 35/49-35/20