Subtract 27/80 from 8/50
8/50 - 27/80 is -71/400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
8/50 = 8 × 8/50 × 8 = 64/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
27/80 = 27 × 5/80 × 5 = 135/400 - Subtract the two like fractions:
64/400 - 135/400 = 64 - 135/400 = -71/400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/50-27/80 8/50-54/80 24/50-27/80 8/50-81/80 40/50-27/80 56/50-27/80