Subtract 6/32 from 18/45
18/45 - 6/32 is 17/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
18/45 = 18 × 32/45 × 32 = 576/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
6/32 = 6 × 45/32 × 45 = 270/1440 - Subtract the two like fractions:
576/1440 - 270/1440 = 576 - 270/1440 = 306/1440 - After reducing the fraction, the answer is 17/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45-6/32 18/45-12/32 18/90-6/32 18/45-6/64 54/45-6/32 18/45-18/32 18/45-6/96 90/45-6/32 18/45-30/32 18/45-42/32