Subtract 5/14 from 90/20
1st number: 4 10/20, 2nd number: 5/14
90/20 - 5/14 is 29/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
90/20 = 90 × 7/20 × 7 = 630/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
5/14 = 5 × 10/14 × 10 = 50/140 - Subtract the two like fractions:
630/140 - 50/140 = 630 - 50/140 = 580/140 - After reducing the fraction, the answer is 29/7
- In mixed form: 41/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20-10/14 90/40-5/14 90/20-5/28 90/20-15/14 90/60-5/14 90/20-5/42 90/20-25/14 90/20-5/70 90/20-35/14 90/20-5/98