Subtract 4/40 from 9/32
9/32 - 4/40 is 29/160.
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,
9/32 = 9 × 5/32 × 5 = 45/160 - Likewise, for the 2nd fraction, since 40 × 4 = 160,
4/40 = 4 × 4/40 × 4 = 16/160 - Subtract the two like fractions:
45/160 - 16/160 = 45 - 16/160 = 29/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/32-4/40 9/32-8/40 9/64-4/40 9/32-4/80 27/32-4/40 9/32-12/40 9/96-4/40 45/32-4/40 9/32-20/40 63/32-4/40 9/32-28/40