Subtract 8/12 from 40/14
1st number: 2 12/14, 2nd number: 8/12
40/14 - 8/12 is 46/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
40/14 = 40 × 6/14 × 6 = 240/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84 - Subtract the two like fractions:
240/84 - 56/84 = 240 - 56/84 = 184/84 - After reducing the fraction, the answer is 46/21
- In mixed form: 24/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14-8/12 40/14-16/12 40/28-8/12 40/14-8/24 40/14-24/12 40/42-8/12 40/14-8/36 40/14-40/12 40/70-8/12 40/14-8/60 40/14-56/12 40/98-8/12 40/14-8/84