Subtract 5/45 from 3/2
1st number: 1 1/2, 2nd number: 5/45
3/2 - 5/45 is 25/18.
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,
3/2 = 3 × 45/2 × 45 = 135/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
5/45 = 5 × 2/45 × 2 = 10/90 - Subtract the two like fractions:
135/90 - 10/90 = 135 - 10/90 = 125/90 - After reducing the fraction, the answer is 25/18
- In mixed form: 17/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-5/45 3/2-10/45 3/4-5/45 3/2-5/90 9/2-5/45 3/2-15/45 3/6-5/45 15/2-5/45 3/2-25/45 3/10-5/45 21/2-5/45 3/2-35/45 3/14-5/45