Subtract 81/60 from 5/2
1st number: 2 1/2, 2nd number: 1 21/60
5/2 - 81/60 is 23/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 2 × 30 = 60,
5/2 = 5 × 30/2 × 30 = 150/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Subtract the two like fractions:
150/60 - 81/60 = 150 - 81/60 = 69/60 - After reducing the fraction, the answer is 23/20
- In mixed form: 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/2-81/60 5/4-81/60 15/2-81/60 5/6-81/60 25/2-81/60 5/10-81/60 35/2-81/60 5/14-81/60