Subtract 15/28 from 15/4
1st number: 3 3/4, 2nd number: 15/28
15/4 - 15/28 is 45/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
15/4 = 15 × 7/4 × 7 = 105/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
15/28 = 15 × 1/28 × 1 = 15/28 - Subtract the two like fractions:
105/28 - 15/28 = 105 - 15/28 = 90/28 - After reducing the fraction, the answer is 45/14
- In mixed form: 33/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4-15/28 15/4-30/28 15/8-15/28 15/4-15/56 45/4-15/28 15/4-45/28 15/12-15/28 15/4-15/84 75/4-15/28 15/4-75/28 15/20-15/28 15/28-15/28