Subtract 25/9 from 45/2
1st number: 22 1/2, 2nd number: 2 7/9
45/2 - 25/9 is 355/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
45/2 = 45 × 9/2 × 9 = 405/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
25/9 = 25 × 2/9 × 2 = 50/18 - Subtract the two like fractions:
405/18 - 50/18 = 405 - 50/18 = 355/18 - In mixed form: 1913/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2-25/9 45/2-50/9 45/4-25/9 45/2-25/18 45/2-75/9 45/6-25/9 45/2-25/27 45/10-25/9 45/2-25/45 45/14-25/9 45/2-25/63