Subtract 20/50 from 5/2
1st number: 2 1/2, 2nd number: 20/50
5/2 - 20/50 is 21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 2 × 25 = 50,
5/2 = 5 × 25/2 × 25 = 125/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
20/50 = 20 × 1/50 × 1 = 20/50 - Subtract the two like fractions:
125/50 - 20/50 = 125 - 20/50 = 105/50 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/2-20/50 5/2-40/50 5/4-20/50 15/2-20/50 5/2-60/50 5/6-20/50 25/2-20/50 5/10-20/50 35/2-20/50 5/14-20/50