Subtract 10/40 from 3/32
3/32 - 10/40 is -5/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 40 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
3/32 = 3 × 5/32 × 5 = 15/160 - Likewise, for the 2nd fraction, since 40 × 4 = 160,
10/40 = 10 × 4/40 × 4 = 40/160 - Subtract the two like fractions:
15/160 - 40/160 = 15 - 40/160 = -25/160 - After reducing the fraction, the answer is -5/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/32-10/40 3/32-20/40 3/64-10/40 3/32-10/80 9/32-10/40 3/32-30/40 3/96-10/40 15/32-10/40 3/32-50/40 21/32-10/40 3/32-70/40