Subtract 15/54 from 25/84
25/84 - 15/54 is 5/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
25/84 = 25 × 9/84 × 9 = 225/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
15/54 = 15 × 14/54 × 14 = 210/756 - Subtract the two like fractions:
225/756 - 210/756 = 225 - 210/756 = 15/756 - After reducing the fraction, the answer is 5/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84-15/54 25/84-30/54 75/84-15/54 25/84-45/54 25/84-75/54