Subtract 20/14 from 30/10
1st number: 3 0/10, 2nd number: 1 6/14
30/10 - 20/14 is 11/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
30/10 = 30 × 7/10 × 7 = 210/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
20/14 = 20 × 5/14 × 5 = 100/70 - Subtract the two like fractions:
210/70 - 100/70 = 210 - 100/70 = 110/70 - After reducing the fraction, the answer is 11/7
- In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10-20/14 30/10-40/14 30/20-20/14 30/10-20/28 90/10-20/14 30/10-60/14 30/10-20/42 30/50-20/14 30/10-20/70 30/70-20/14 30/10-20/98