Subtract 54/48 from 15/28
1st number: 15/28, 2nd number: 1 6/48
15/28 - 54/48 is -33/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 28 × 12 = 336,
15/28 = 15 × 12/28 × 12 = 180/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
54/48 = 54 × 7/48 × 7 = 378/336 - Subtract the two like fractions:
180/336 - 378/336 = 180 - 378/336 = -198/336 - After reducing the fraction, the answer is -33/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28-54/48 15/56-54/48 15/28-54/96 45/28-54/48 15/84-54/48 75/28-54/48