Subtract 5/30 from 10/20
10/20 - 5/30 is 1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
10/20 = 10 × 3/20 × 3 = 30/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
5/30 = 5 × 2/30 × 2 = 10/60 - Subtract the two like fractions:
30/60 - 10/60 = 30 - 10/60 = 20/60 - After reducing the fraction, the answer is 1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-10/30 10/40-5/30 10/20-5/60 30/20-5/30 10/20-15/30 10/60-5/30 10/20-5/90 50/20-5/30 10/20-25/30 70/20-5/30 10/20-35/30