Subtract 10/14 from 90/5
1st number: 18 0/5, 2nd number: 10/14
90/5 - 10/14 is 121/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
90/5 = 90 × 14/5 × 14 = 1260/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
10/14 = 10 × 5/14 × 5 = 50/70 - Subtract the two like fractions:
1260/70 - 50/70 = 1260 - 50/70 = 1210/70 - After reducing the fraction, the answer is 121/7
- In mixed form: 172/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5-20/14 90/10-10/14 90/5-10/28 90/5-30/14 90/15-10/14 90/5-10/42 90/5-50/14 90/25-10/14 90/5-10/70 90/5-70/14 90/35-10/14 90/5-10/98