Subtract 10/20 from 7/12
7/12 - 10/20 is 1/12.
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,
7/12 = 7 × 5/12 × 5 = 35/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
10/20 = 10 × 3/20 × 3 = 30/60 - Subtract the two like fractions:
35/60 - 30/60 = 35 - 30/60 = 5/60 - After reducing the fraction, the answer is 1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/12-10/20 7/24-10/20 7/12-10/40 21/12-10/20 7/12-30/20 7/36-10/20 7/12-10/60 35/12-10/20 7/12-50/20 7/60-10/20 49/12-10/20 7/12-70/20 7/84-10/20