Subtract 21/32 from 10/16
10/16 - 21/32 is -1/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 32 is 32
Next, find the equivalent fraction of both fractional numbers with denominator 32 - For the 1st fraction, since 16 × 2 = 32,
10/16 = 10 × 2/16 × 2 = 20/32 - Likewise, for the 2nd fraction, since 32 × 1 = 32,
21/32 = 21 × 1/32 × 1 = 21/32 - Subtract the two like fractions:
20/32 - 21/32 = 20 - 21/32 = -1/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/16-21/32 10/16-42/32 10/32-21/32 10/16-21/64 30/16-21/32 10/16-63/32 10/48-21/32 10/16-21/96 50/16-21/32 10/80-21/32 70/16-21/32