Subtract 3/20 from 14/7
1st number: 2 0/7, 2nd number: 3/20
14/7 - 3/20 is 37/20.
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,
14/7 = 14 × 20/7 × 20 = 280/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
3/20 = 3 × 7/20 × 7 = 21/140 - Subtract the two like fractions:
280/140 - 21/140 = 280 - 21/140 = 259/140 - After reducing the fraction, the answer is 37/20
- In mixed form: 117/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/7-3/20 14/7-6/20 14/7-3/40 42/7-3/20 14/7-9/20 14/21-3/20 14/7-3/60 70/7-3/20 14/7-15/20 14/35-3/20 98/7-3/20 14/7-21/20 14/49-3/20