Subtract 21/32 from 9/10
9/10 - 21/32 is 39/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 10 × 16 = 160,
9/10 = 9 × 16/10 × 16 = 144/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
21/32 = 21 × 5/32 × 5 = 105/160 - Subtract the two like fractions:
144/160 - 105/160 = 144 - 105/160 = 39/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10-21/32 9/10-42/32 9/20-21/32 9/10-21/64 27/10-21/32 9/10-63/32 9/30-21/32 9/10-21/96 45/10-21/32 9/50-21/32 63/10-21/32 9/70-21/32