Subtract 1/80 from 3/2
1st number: 1 1/2, 2nd number: 1/80
3/2 - 1/80 is 119/80.
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,
1/80 = 1 × 1/80 × 1 = 1/80 - Subtract the two like fractions:
120/80 - 1/80 = 120 - 1/80 = 119/80 - In mixed form: 139/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-1/80 3/2-2/80 3/4-1/80 9/2-1/80 3/2-3/80 3/6-1/80 15/2-1/80 3/2-5/80 3/10-1/80 21/2-1/80 3/2-7/80 3/14-1/80