Subtract 50/63 from 15/28
15/28 - 50/63 is -65/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
15/28 = 15 × 9/28 × 9 = 135/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
50/63 = 50 × 4/63 × 4 = 200/252 - Subtract the two like fractions:
135/252 - 200/252 = 135 - 200/252 = -65/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28-50/63 15/56-50/63 45/28-50/63 15/84-50/63 75/28-50/63