Subtract 15/5 from 6/20
1st number: 6/20, 2nd number: 3 0/5
6/20 - 15/5 is -27/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
6/20 = 6 × 1/20 × 1 = 6/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
15/5 = 15 × 4/5 × 4 = 60/20 - Subtract the two like fractions:
6/20 - 60/20 = 6 - 60/20 = -54/20 - After reducing the fraction, the answer is -27/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20-15/5 6/20-30/5 6/40-15/5 6/20-15/10 18/20-15/5 6/20-45/5 6/60-15/5 30/20-15/5 6/20-75/5 6/20-15/25 42/20-15/5 6/20-15/35