Subtract 54/8 from 20/56
1st number: 20/56, 2nd number: 6 6/8
20/56 - 54/8 is -179/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
20/56 = 20 × 1/56 × 1 = 20/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
54/8 = 54 × 7/8 × 7 = 378/56 - Subtract the two like fractions:
20/56 - 378/56 = 20 - 378/56 = -358/56 - After reducing the fraction, the answer is -179/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/56-54/8 20/56-54/16 60/56-54/8 20/56-54/24 20/56-54/40 20/56-54/56