Subtract 4/32 from 5/45
5/45 - 4/32 is -1/72.
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,
5/45 = 5 × 32/45 × 32 = 160/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
4/32 = 4 × 45/32 × 45 = 180/1440 - Subtract the two like fractions:
160/1440 - 180/1440 = 160 - 180/1440 = -20/1440 - After reducing the fraction, the answer is -1/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45-4/32 5/45-8/32 5/90-4/32 5/45-4/64 15/45-4/32 5/45-12/32 5/45-4/96 25/45-4/32 5/45-20/32 35/45-4/32 5/45-28/32