Subtract 10/20 from 8/12
8/12 - 10/20 is 1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
8/12 = 8 × 5/12 × 5 = 40/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
10/20 = 10 × 3/20 × 3 = 30/60 - Subtract the two like fractions:
40/60 - 30/60 = 40 - 30/60 = 10/60 - 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: 16/12-10/20 8/24-10/20 8/12-10/40 24/12-10/20 8/12-30/20 8/36-10/20 8/12-10/60 40/12-10/20 8/12-50/20 8/60-10/20 56/12-10/20 8/12-70/20 8/84-10/20