Subtract 3/6 from 18/30
18/30 - 3/6 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
18/30 = 18 × 1/30 × 1 = 18/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
3/6 = 3 × 5/6 × 5 = 15/30 - Subtract the two like fractions:
18/30 - 15/30 = 18 - 15/30 = 3/30 - After reducing the fraction, the answer is 1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30-3/6 18/60-3/6 18/30-3/12 54/30-3/6 18/30-9/6 18/90-3/6 18/30-3/18 90/30-3/6 18/30-15/6 18/30-3/30 18/30-21/6 18/30-3/42