Subtract 15/50 from 12/15
12/15 - 15/50 is 1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 15 × 10 = 150,
12/15 = 12 × 10/15 × 10 = 120/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
15/50 = 15 × 3/50 × 3 = 45/150 - Subtract the two like fractions:
120/150 - 45/150 = 120 - 45/150 = 75/150 - After reducing the fraction, the answer is 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15-15/50 12/15-30/50 12/30-15/50 36/15-15/50 12/15-45/50 12/45-15/50 60/15-15/50 12/15-75/50 12/75-15/50 84/15-15/50