Subtract 15/45 from 25/50
25/50 - 15/45 is 1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
25/50 = 25 × 9/50 × 9 = 225/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
15/45 = 15 × 10/45 × 10 = 150/450 - Subtract the two like fractions:
225/450 - 150/450 = 225 - 150/450 = 75/450 - After reducing the fraction, the answer is 1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 25/50-30/45 25/50-15/90 75/50-15/45 25/50-75/45