Subtract 10/14 from 81/18
1st number: 4 9/18, 2nd number: 10/14
81/18 - 10/14 is 53/14.
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,
81/18 = 81 × 7/18 × 7 = 567/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
10/14 = 10 × 9/14 × 9 = 90/126 - Subtract the two like fractions:
567/126 - 90/126 = 567 - 90/126 = 477/126 - After reducing the fraction, the answer is 53/14
- In mixed form: 311/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/18-20/14 81/36-10/14 81/18-10/28 81/18-30/14 81/54-10/14 81/18-10/42 81/18-50/14 81/90-10/14 81/18-10/70 81/18-70/14 81/18-10/98