Subtract 27/80 from 3/2
1st number: 1 1/2, 2nd number: 27/80
3/2 - 27/80 is 93/80.
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,
27/80 = 27 × 1/80 × 1 = 27/80 - Subtract the two like fractions:
120/80 - 27/80 = 120 - 27/80 = 93/80 - In mixed form: 113/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-27/80 3/2-54/80 3/4-27/80 9/2-27/80 3/2-81/80 3/6-27/80 15/2-27/80 3/10-27/80 21/2-27/80 3/14-27/80