Subtract 1/20 from 3/14
3/14 - 1/20 is 23/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
3/14 = 3 × 10/14 × 10 = 30/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
1/20 = 1 × 7/20 × 7 = 7/140 - Subtract the two like fractions:
30/140 - 7/140 = 30 - 7/140 = 23/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14-1/20 3/14-2/20 3/28-1/20 3/14-1/40 9/14-1/20 3/14-3/20 3/42-1/20 3/14-1/60 15/14-1/20 3/14-5/20 3/70-1/20 21/14-1/20 3/14-7/20 3/98-1/20