Subtract 49/20 from 35/7
1st number: 5 0/7, 2nd number: 2 9/20
35/7 - 49/20 is 51/20.
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,
49/20 = 49 × 7/20 × 7 = 343/140 - Subtract the two like fractions:
700/140 - 343/140 = 700 - 343/140 = 357/140 - After reducing the fraction, the answer is 51/20
- In mixed form: 211/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7-49/20 35/7-98/20 35/14-49/20 35/7-49/40 35/21-49/20 35/7-49/60 35/49-49/20