Subtract 32/45 from 5/2
1st number: 2 1/2, 2nd number: 32/45
5/2 - 32/45 is 161/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
5/2 = 5 × 45/2 × 45 = 225/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
32/45 = 32 × 2/45 × 2 = 64/90 - Subtract the two like fractions:
225/90 - 64/90 = 225 - 64/90 = 161/90 - In mixed form: 171/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/2-32/45 5/2-64/45 5/4-32/45 5/2-32/90 15/2-32/45 5/2-96/45 5/6-32/45 25/2-32/45 5/10-32/45 35/2-32/45 5/14-32/45