Subtract 25/10 from 20/50
1st number: 20/50, 2nd number: 2 5/10
20/50 - 25/10 is -21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 50 × 1 = 50,
20/50 = 20 × 1/50 × 1 = 20/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
25/10 = 25 × 5/10 × 5 = 125/50 - Subtract the two like fractions:
20/50 - 125/50 = 20 - 125/50 = -105/50 - After reducing the fraction, the answer is -21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/50-25/10 20/50-50/10 20/50-25/20 60/50-25/10 20/50-75/10 20/50-25/30 20/50-25/50 20/50-25/70