Subtract 5/80 from 3/2
1st number: 1 1/2, 2nd number: 5/80
3/2 - 5/80 is 23/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
3/2 = 3 × 40/2 × 40 = 120/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
5/80 = 5 × 1/80 × 1 = 5/80 - Subtract the two like fractions:
120/80 - 5/80 = 120 - 5/80 = 115/80 - After reducing the fraction, the answer is 23/16
- In mixed form: 17/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-5/80 3/2-10/80 3/4-5/80 9/2-5/80 3/2-15/80 3/6-5/80 15/2-5/80 3/2-25/80 3/10-5/80 21/2-5/80 3/2-35/80 3/14-5/80