Subtract 8/20 from 9/50
9/50 - 8/20 is -11/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
9/50 = 9 × 2/50 × 2 = 18/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
8/20 = 8 × 5/20 × 5 = 40/100 - Subtract the two like fractions:
18/100 - 40/100 = 18 - 40/100 = -22/100 - After reducing the fraction, the answer is -11/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/50-8/20 9/50-16/20 9/50-8/40 27/50-8/20 9/50-24/20 9/50-8/60 45/50-8/20 9/50-40/20 63/50-8/20 9/50-56/20