Subtract 1/20 from 30/14
1st number: 2 2/14, 2nd number: 1/20
30/14 - 1/20 is 293/140.
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,
30/14 = 30 × 10/14 × 10 = 300/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
1/20 = 1 × 7/20 × 7 = 7/140 - Subtract the two like fractions:
300/140 - 7/140 = 300 - 7/140 = 293/140 - In mixed form: 213/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/14-1/20 30/14-2/20 30/28-1/20 30/14-1/40 90/14-1/20 30/14-3/20 30/42-1/20 30/14-1/60 30/14-5/20 30/70-1/20 30/14-7/20 30/98-1/20