Subtract 10/30 from 18/36
18/36 - 10/30 is 1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 30 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
18/36 = 18 × 5/36 × 5 = 90/180 - Likewise, for the 2nd fraction, since 30 × 6 = 180,
10/30 = 10 × 6/30 × 6 = 60/180 - Subtract the two like fractions:
90/180 - 60/180 = 90 - 60/180 = 30/180 - After reducing the fraction, the answer is 1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36-20/30 18/72-10/30 18/36-10/60 54/36-10/30 18/36-10/90 90/36-10/30 18/36-50/30 18/36-70/30