Subtract 30/20 from 98/14
1st number: 7 0/14, 2nd number: 1 10/20
98/14 - 30/20 is 11/2.
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,
98/14 = 98 × 10/14 × 10 = 980/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
30/20 = 30 × 7/20 × 7 = 210/140 - Subtract the two like fractions:
980/140 - 210/140 = 980 - 210/140 = 770/140 - After reducing the fraction, the answer is 11/2
- In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/14-60/20 98/28-30/20 98/14-30/40 98/14-90/20 98/42-30/20 98/14-30/60 98/70-30/20