Subtract 50/80 from 40/56
40/56 - 50/80 is 5/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 56 × 10 = 560,
40/56 = 40 × 10/56 × 10 = 400/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
50/80 = 50 × 7/80 × 7 = 350/560 - Subtract the two like fractions:
400/560 - 350/560 = 400 - 350/560 = 50/560 - After reducing the fraction, the answer is 5/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56-50/80