Subtract 5/30 from 30/20
1st number: 1 10/20, 2nd number: 5/30
30/20 - 5/30 is 4/3.
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,
30/20 = 30 × 3/20 × 3 = 90/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
5/30 = 5 × 2/30 × 2 = 10/60 - Subtract the two like fractions:
90/60 - 10/60 = 90 - 10/60 = 80/60 - After reducing the fraction, the answer is 4/3
- In mixed form: 11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20-5/30 30/20-10/30 30/40-5/30 30/20-5/60 90/20-5/30 30/20-15/30 30/60-5/30 30/20-5/90 30/20-25/30 30/20-35/30