Subtract 3/30 from 6/20
6/20 - 3/30 is 1/5.
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,
6/20 = 6 × 3/20 × 3 = 18/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
3/30 = 3 × 2/30 × 2 = 6/60 - Subtract the two like fractions:
18/60 - 6/60 = 18 - 6/60 = 12/60 - After reducing the fraction, the answer is 1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20-3/30 6/20-6/30 6/40-3/30 6/20-3/60 18/20-3/30 6/20-9/30 6/60-3/30 6/20-3/90 30/20-3/30 6/20-15/30 42/20-3/30 6/20-21/30