Subtract 3/4 from 15/28
15/28 - 3/4 is -3/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
15/28 = 15 × 1/28 × 1 = 15/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
3/4 = 3 × 7/4 × 7 = 21/28 - Subtract the two like fractions:
15/28 - 21/28 = 15 - 21/28 = -6/28 - After reducing the fraction, the answer is -3/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28-3/4 15/28-6/4 15/56-3/4 15/28-3/8 45/28-3/4 15/28-9/4 15/84-3/4 15/28-3/12 75/28-3/4 15/28-15/4 15/28-3/20 15/28-21/4 15/28-3/28