Subtract 9/21 from 32/2
1st number: 16 0/2, 2nd number: 9/21
32/2 - 9/21 is 109/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
32/2 = 32 × 21/2 × 21 = 672/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
9/21 = 9 × 2/21 × 2 = 18/42 - Subtract the two like fractions:
672/42 - 18/42 = 672 - 18/42 = 654/42 - After reducing the fraction, the answer is 109/7
- In mixed form: 154/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/2-9/21 32/2-18/21 32/4-9/21 32/2-9/42 96/2-9/21 32/2-27/21 32/6-9/21 32/2-9/63 32/2-45/21 32/10-9/21 32/2-63/21 32/14-9/21