Subtract 28/18 from 25/2
1st number: 12 1/2, 2nd number: 1 10/18
25/2 - 28/18 is 197/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
25/2 = 25 × 9/2 × 9 = 225/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
28/18 = 28 × 1/18 × 1 = 28/18 - Subtract the two like fractions:
225/18 - 28/18 = 225 - 28/18 = 197/18 - In mixed form: 1017/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2-28/18 25/2-56/18 25/4-28/18 25/2-28/36 75/2-28/18 25/2-84/18 25/6-28/18 25/2-28/54 25/10-28/18 25/2-28/90 25/14-28/18