Subtract 16/21 from 5/6
5/6 - 16/21 is 1/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
5/6 = 5 × 7/6 × 7 = 35/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
16/21 = 16 × 2/21 × 2 = 32/42 - Subtract the two like fractions:
35/42 - 32/42 = 35 - 32/42 = 3/42 - After reducing the fraction, the answer is 1/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/6-16/21 5/6-32/21 5/12-16/21 5/6-16/42 15/6-16/21 5/6-48/21 5/18-16/21 5/6-16/63 25/6-16/21 5/6-80/21 5/30-16/21 35/6-16/21 5/42-16/21