Subtract 3/25 from 15/30
15/30 - 3/25 is 19/50.
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,
3/25 = 3 × 6/25 × 6 = 18/150 - Subtract the two like fractions:
75/150 - 18/150 = 75 - 18/150 = 57/150 - After reducing the fraction, the answer is 19/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30-6/25 15/60-3/25 15/30-3/50 45/30-3/25 15/30-9/25 15/90-3/25 15/30-3/75 75/30-3/25 15/30-15/25 15/30-21/25