Subtract 15/4 from 54/28
1st number: 1 26/28, 2nd number: 3 3/4
54/28 - 15/4 is -51/28.
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,
54/28 = 54 × 1/28 × 1 = 54/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
15/4 = 15 × 7/4 × 7 = 105/28 - Subtract the two like fractions:
54/28 - 105/28 = 54 - 105/28 = -51/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28-30/4 54/56-15/4 54/28-15/8 54/28-45/4 54/84-15/4 54/28-15/12 54/28-75/4 54/28-15/20 54/28-15/28