Subtract 12/5 from 40/12
1st number: 3 4/12, 2nd number: 2 2/5
40/12 - 12/5 is 14/15.
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,
40/12 = 40 × 5/12 × 5 = 200/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
12/5 = 12 × 12/5 × 12 = 144/60 - Subtract the two like fractions:
200/60 - 144/60 = 200 - 144/60 = 56/60 - After reducing the fraction, the answer is 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12-12/5 40/12-24/5 40/24-12/5 40/12-12/10 40/12-36/5 40/36-12/5 40/12-12/15 40/12-60/5 40/60-12/5 40/12-12/25 40/12-84/5 40/84-12/5 40/12-12/35