Subtract 18/9 from 81/14
1st number: 5 11/14, 2nd number: 2 0/9
81/14 - 18/9 is 53/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
81/14 = 81 × 9/14 × 9 = 729/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
18/9 = 18 × 14/9 × 14 = 252/126 - Subtract the two like fractions:
729/126 - 252/126 = 729 - 252/126 = 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: 81/14-36/9 81/28-18/9 81/14-54/9 81/42-18/9 81/14-18/27 81/14-90/9 81/70-18/9 81/14-18/45 81/98-18/9 81/14-18/63