Subtract 2/7 from 35/20
1st number: 1 15/20, 2nd number: 2/7
35/20 - 2/7 is 41/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
35/20 = 35 × 7/20 × 7 = 245/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
2/7 = 2 × 20/7 × 20 = 40/140 - Subtract the two like fractions:
245/140 - 40/140 = 245 - 40/140 = 205/140 - After reducing the fraction, the answer is 41/28
- In mixed form: 113/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20-2/7 35/20-4/7 35/40-2/7 35/20-2/14 35/20-6/7 35/60-2/7 35/20-2/21 35/20-10/7 35/20-2/35 35/20-14/7 35/20-2/49