Subtract 16/18 from 81/6
1st number: 13 3/6, 2nd number: 16/18
81/6 - 16/18 is 227/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
81/6 = 81 × 3/6 × 3 = 243/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
16/18 = 16 × 1/18 × 1 = 16/18 - Subtract the two like fractions:
243/18 - 16/18 = 243 - 16/18 = 227/18 - In mixed form: 1211/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/6-32/18 81/12-16/18 81/6-16/36 81/6-48/18 81/18-16/18 81/6-16/54 81/6-80/18 81/30-16/18 81/6-16/90 81/42-16/18