Subtract 10/50 from 15/20
15/20 - 10/50 is 11/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
15/20 = 15 × 5/20 × 5 = 75/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
10/50 = 10 × 2/50 × 2 = 20/100 - Subtract the two like fractions:
75/100 - 20/100 = 75 - 20/100 = 55/100 - After reducing the fraction, the answer is 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20-10/50 15/20-20/50 15/40-10/50 45/20-10/50 15/20-30/50 15/60-10/50 75/20-10/50 15/20-70/50