Subtract 16/18 from 2/3
2/3 - 16/18 is -2/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
2/3 = 2 × 6/3 × 6 = 12/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
16/18 = 16 × 1/18 × 1 = 16/18 - Subtract the two like fractions:
12/18 - 16/18 = 12 - 16/18 = -4/18 - After reducing the fraction, the answer is -2/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/3-16/18 2/3-32/18 2/6-16/18 2/3-16/36 6/3-16/18 2/3-48/18 2/9-16/18 2/3-16/54 10/3-16/18 2/3-80/18 2/15-16/18 2/3-16/90 14/3-16/18 2/21-16/18