Subtract 24/25 from 15/30
15/30 - 24/25 is -23/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 25 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
15/30 = 15 × 5/30 × 5 = 75/150 - Likewise, for the 2nd fraction, since 25 × 6 = 150,
24/25 = 24 × 6/25 × 6 = 144/150 - Subtract the two like fractions:
75/150 - 144/150 = 75 - 144/150 = -69/150 - After reducing the fraction, the answer is -23/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30-48/25 15/60-24/25 15/30-24/50 45/30-24/25 15/30-72/25 15/90-24/25 15/30-24/75 75/30-24/25