Subtract 20/50 from 2/8
2/8 - 20/50 is -3/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
2/8 = 2 × 25/8 × 25 = 50/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
20/50 = 20 × 4/50 × 4 = 80/200 - Subtract the two like fractions:
50/200 - 80/200 = 50 - 80/200 = -30/200 - After reducing the fraction, the answer is -3/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8-20/50 2/8-40/50 2/16-20/50 6/8-20/50 2/8-60/50 2/24-20/50 10/8-20/50 2/40-20/50 14/8-20/50 2/56-20/50