Subtract 32/21 from 16/6
1st number: 2 4/6, 2nd number: 1 11/21
16/6 - 32/21 is 8/7.
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,
16/6 = 16 × 7/6 × 7 = 112/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
32/21 = 32 × 2/21 × 2 = 64/42 - Subtract the two like fractions:
112/42 - 64/42 = 112 - 64/42 = 48/42 - After reducing the fraction, the answer is 8/7
- In mixed form: 11/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/6-32/21 16/6-64/21 16/12-32/21 16/6-32/42 48/6-32/21 16/6-96/21 16/18-32/21 16/6-32/63 80/6-32/21 16/30-32/21 16/42-32/21