Subtract 81/10 from 1/32
1st number: 1/32, 2nd number: 8 1/10
1/32 - 81/10 is -1291/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 10 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
1/32 = 1 × 5/32 × 5 = 5/160 - Likewise, for the 2nd fraction, since 10 × 16 = 160,
81/10 = 81 × 16/10 × 16 = 1296/160 - Subtract the two like fractions:
5/160 - 1296/160 = 5 - 1296/160 = -1291/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/32-81/10 1/64-81/10 1/32-81/20 3/32-81/10 1/96-81/10 1/32-81/30 5/32-81/10 1/32-81/50 7/32-81/10 1/32-81/70