Subtract 3/5 from 54/56
54/56 - 3/5 is 51/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 5 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
54/56 = 54 × 5/56 × 5 = 270/280 - Likewise, for the 2nd fraction, since 5 × 56 = 280,
3/5 = 3 × 56/5 × 56 = 168/280 - Subtract the two like fractions:
270/280 - 168/280 = 270 - 168/280 = 102/280 - After reducing the fraction, the answer is 51/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56-6/5 54/56-3/10 54/56-9/5 54/56-3/15 54/56-15/5 54/56-3/25 54/56-21/5 54/56-3/35