Subtract 7/18 from 25/2
1st number: 12 1/2, 2nd number: 7/18
25/2 - 7/18 is 109/9.
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,
7/18 = 7 × 1/18 × 1 = 7/18 - Subtract the two like fractions:
225/18 - 7/18 = 225 - 7/18 = 218/18 - After reducing the fraction, the answer is 109/9
- In mixed form: 121/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2-7/18 25/2-14/18 25/4-7/18 25/2-7/36 75/2-7/18 25/2-21/18 25/6-7/18 25/2-7/54 25/2-35/18 25/10-7/18 25/2-7/90 25/2-49/18 25/14-7/18