Subtract 20/32 from 21/9
1st number: 2 3/9, 2nd number: 20/32
21/9 - 20/32 is 41/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 9 × 32 = 288,
21/9 = 21 × 32/9 × 32 = 672/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
20/32 = 20 × 9/32 × 9 = 180/288 - Subtract the two like fractions:
672/288 - 180/288 = 672 - 180/288 = 492/288 - After reducing the fraction, the answer is 41/24
- In mixed form: 117/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/9-20/32 21/9-40/32 21/18-20/32 21/9-20/64 63/9-20/32 21/9-60/32 21/27-20/32 21/9-20/96 21/45-20/32 21/63-20/32