Subtract 25/90 from 50/25
1st number: 2 0/25, 2nd number: 25/90
50/25 - 25/90 is 31/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
50/25 = 50 × 18/25 × 18 = 900/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
25/90 = 25 × 5/90 × 5 = 125/450 - Subtract the two like fractions:
900/450 - 125/450 = 900 - 125/450 = 775/450 - After reducing the fraction, the answer is 31/18
- In mixed form: 113/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/25-50/90 50/25-75/90 50/75-25/90