Subtract 6/36 from 18/30
18/30 - 6/36 is 13/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
18/30 = 18 × 6/30 × 6 = 108/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
6/36 = 6 × 5/36 × 5 = 30/180 - Subtract the two like fractions:
108/180 - 30/180 = 108 - 30/180 = 78/180 - After reducing the fraction, the answer is 13/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30-6/36 18/30-12/36 18/60-6/36 18/30-6/72 54/30-6/36 18/30-18/36 18/90-6/36 90/30-6/36 18/30-30/36 18/30-42/36