Subtract 7/15 from 28/50
28/50 - 7/15 is 7/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 15 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
28/50 = 28 × 3/50 × 3 = 84/150 - Likewise, for the 2nd fraction, since 15 × 10 = 150,
7/15 = 7 × 10/15 × 10 = 70/150 - Subtract the two like fractions:
84/150 - 70/150 = 84 - 70/150 = 14/150 - After reducing the fraction, the answer is 7/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/50-7/15 28/50-14/15 28/50-7/30 84/50-7/15 28/50-21/15 28/50-7/45 28/50-35/15 28/50-7/75 28/50-49/15