Subtract 25/90 from 9/2
1st number: 4 1/2, 2nd number: 25/90
9/2 - 25/90 is 38/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
9/2 = 9 × 45/2 × 45 = 405/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
25/90 = 25 × 1/90 × 1 = 25/90 - Subtract the two like fractions:
405/90 - 25/90 = 405 - 25/90 = 380/90 - After reducing the fraction, the answer is 38/9
- In mixed form: 42/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/2-25/90 9/2-50/90 9/4-25/90 27/2-25/90 9/2-75/90 9/6-25/90 45/2-25/90 9/10-25/90 63/2-25/90 9/14-25/90