Subtract 20/50 from 8/16
8/16 - 20/50 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 16 × 25 = 400,
8/16 = 8 × 25/16 × 25 = 200/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
20/50 = 20 × 8/50 × 8 = 160/400 - Subtract the two like fractions:
200/400 - 160/400 = 200 - 160/400 = 40/400 - After reducing the fraction, the answer is 1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16-40/50 8/32-20/50 24/16-20/50 8/16-60/50 8/48-20/50 40/16-20/50 8/80-20/50 56/16-20/50