Subtract 10/14 from 90/18
1st number: 5 0/18, 2nd number: 10/14
90/18 - 10/14 is 30/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
90/18 = 90 × 7/18 × 7 = 630/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
10/14 = 10 × 9/14 × 9 = 90/126 - Subtract the two like fractions:
630/126 - 90/126 = 630 - 90/126 = 540/126 - After reducing the fraction, the answer is 30/7
- In mixed form: 42/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18-20/14 90/36-10/14 90/18-10/28 90/18-30/14 90/54-10/14 90/18-10/42 90/18-50/14 90/18-10/70 90/18-70/14 90/18-10/98