Subtract 15/50 from 30/20
1st number: 1 10/20, 2nd number: 15/50
30/20 - 15/50 is 6/5.
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,
30/20 = 30 × 5/20 × 5 = 150/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
15/50 = 15 × 2/50 × 2 = 30/100 - Subtract the two like fractions:
150/100 - 30/100 = 150 - 30/100 = 120/100 - After reducing the fraction, the answer is 6/5
- In mixed form: 11/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20-15/50 30/20-30/50 30/40-15/50 90/20-15/50 30/20-45/50 30/60-15/50 30/20-75/50