Subtract 54/56 from 3/28
3/28 - 54/56 is -6/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
3/28 = 3 × 2/28 × 2 = 6/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
54/56 = 54 × 1/56 × 1 = 54/56 - Subtract the two like fractions:
6/56 - 54/56 = 6 - 54/56 = -48/56 - After reducing the fraction, the answer is -6/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/28-54/56 3/56-54/56 9/28-54/56 3/84-54/56 15/28-54/56 21/28-54/56