Subtract 20/5 from 6/12
1st number: 6/12, 2nd number: 4 0/5
6/12 - 20/5 is -7/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
6/12 = 6 × 5/12 × 5 = 30/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
20/5 = 20 × 12/5 × 12 = 240/60 - Subtract the two like fractions:
30/60 - 240/60 = 30 - 240/60 = -210/60 - After reducing the fraction, the answer is -7/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12-40/5 6/24-20/5 6/12-20/10 18/12-20/5 6/12-60/5 6/36-20/5 6/12-20/15 30/12-20/5 6/60-20/5 6/12-20/25 42/12-20/5 6/84-20/5 6/12-20/35