Subtract 21/32 from 10/36
10/36 - 21/32 is -109/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 36 × 8 = 288,
10/36 = 10 × 8/36 × 8 = 80/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
21/32 = 21 × 9/32 × 9 = 189/288 - Subtract the two like fractions:
80/288 - 189/288 = 80 - 189/288 = -109/288
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/36-21/32 10/36-42/32 10/72-21/32 10/36-21/64 30/36-21/32 10/36-63/32 10/36-21/96 50/36-21/32 70/36-21/32