Subtract 30/20 from 5/14
1st number: 5/14, 2nd number: 1 10/20
5/14 - 30/20 is -8/7.
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,
5/14 = 5 × 10/14 × 10 = 50/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
30/20 = 30 × 7/20 × 7 = 210/140 - Subtract the two like fractions:
50/140 - 210/140 = 50 - 210/140 = -160/140 - After reducing the fraction, the answer is -8/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/14-30/20 5/14-60/20 5/28-30/20 5/14-30/40 15/14-30/20 5/14-90/20 5/42-30/20 5/14-30/60 25/14-30/20 5/70-30/20 35/14-30/20 5/98-30/20