Subtract 18/32 from 4/10
4/10 - 18/32 is -13/80.
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,
4/10 = 4 × 16/10 × 16 = 64/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
18/32 = 18 × 5/32 × 5 = 90/160 - Subtract the two like fractions:
64/160 - 90/160 = 64 - 90/160 = -26/160 - After reducing the fraction, the answer is -13/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10-18/32 4/10-36/32 4/20-18/32 4/10-18/64 12/10-18/32 4/10-54/32 4/30-18/32 4/10-18/96 20/10-18/32 4/10-90/32 4/50-18/32 28/10-18/32 4/70-18/32