Subtract 15/18 from 25/4
1st number: 6 1/4, 2nd number: 15/18
25/4 - 15/18 is 65/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
25/4 = 25 × 9/4 × 9 = 225/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
15/18 = 15 × 2/18 × 2 = 30/36 - Subtract the two like fractions:
225/36 - 30/36 = 225 - 30/36 = 195/36 - After reducing the fraction, the answer is 65/12
- In mixed form: 55/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4-15/18 25/4-30/18 25/8-15/18 25/4-15/36 75/4-15/18 25/4-45/18 25/12-15/18 25/4-15/54 25/4-75/18 25/20-15/18 25/4-15/90 25/28-15/18