Subtract 81/25 from 3/2
1st number: 1 1/2, 2nd number: 3 6/25
3/2 - 81/25 is -87/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 2 × 25 = 50,
3/2 = 3 × 25/2 × 25 = 75/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
81/25 = 81 × 2/25 × 2 = 162/50 - Subtract the two like fractions:
75/50 - 162/50 = 75 - 162/50 = -87/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-81/25 3/4-81/25 3/2-81/50 9/2-81/25 3/6-81/25 3/2-81/75 15/2-81/25 3/10-81/25 21/2-81/25 3/14-81/25