Subtract 54/56 from 8/10
8/10 - 54/56 is -23/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 10 × 28 = 280,
8/10 = 8 × 28/10 × 28 = 224/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
54/56 = 54 × 5/56 × 5 = 270/280 - Subtract the two like fractions:
224/280 - 270/280 = 224 - 270/280 = -46/280 - After reducing the fraction, the answer is -23/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10-54/56 8/20-54/56 24/10-54/56 8/30-54/56 40/10-54/56 8/50-54/56 56/10-54/56 8/70-54/56