Subtract 28/4 from 25/2
1st number: 12 1/2, 2nd number: 7 0/4
25/2 - 28/4 is 11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 4 is 4
Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,
25/2 = 25 × 2/2 × 2 = 50/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
28/4 = 28 × 1/4 × 1 = 28/4 - Subtract the two like fractions:
50/4 - 28/4 = 50 - 28/4 = 22/4 - After reducing the fraction, the answer is 11/2
- In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2-28/4 25/2-56/4 25/4-28/4 25/2-28/8 75/2-28/4 25/2-84/4 25/6-28/4 25/2-28/12 25/10-28/4 25/2-28/20 25/14-28/4