Subtract 9/32 from 32/21
1st number: 1 11/21, 2nd number: 9/32
32/21 - 9/32 is 835/672.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
32/21 = 32 × 32/21 × 32 = 1024/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
9/32 = 9 × 21/32 × 21 = 189/672 - Subtract the two like fractions:
1024/672 - 189/672 = 1024 - 189/672 = 835/672 - In mixed form: 1163/672
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/21-9/32 32/21-18/32 32/42-9/32 32/21-9/64 96/21-9/32 32/21-27/32 32/63-9/32 32/21-9/96 32/21-45/32 32/21-63/32