Subtract 12/36 from 10/20
10/20 - 12/36 is 1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
10/20 = 10 × 9/20 × 9 = 90/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
12/36 = 12 × 5/36 × 5 = 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: 10/20-24/36 10/40-12/36 10/20-12/72 30/20-12/36 10/60-12/36 50/20-12/36 10/20-60/36 70/20-12/36 10/20-84/36