Subtract 5/20 from 45/32
1st number: 1 13/32, 2nd number: 5/20
45/32 - 5/20 is 37/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
45/32 = 45 × 5/32 × 5 = 225/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
5/20 = 5 × 8/20 × 8 = 40/160 - Subtract the two like fractions:
225/160 - 40/160 = 225 - 40/160 = 185/160 - After reducing the fraction, the answer is 37/32
- In mixed form: 15/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/32-5/20 45/32-10/20 45/64-5/20 45/32-5/40 45/32-15/20 45/96-5/20 45/32-5/60 45/32-25/20 45/32-35/20