Subtract 1/20 from 1/50
1/50 - 1/20 is -3/100.
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,
1/50 = 1 × 2/50 × 2 = 2/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
1/20 = 1 × 5/20 × 5 = 5/100 - Subtract the two like fractions:
2/100 - 5/100 = 2 - 5/100 = -3/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/50-1/20 1/50-2/20 1/50-1/40 3/50-1/20 1/50-3/20 1/50-1/60 5/50-1/20 1/50-5/20 7/50-1/20 1/50-7/20