Subtract 10/12 from 40/14
1st number: 2 12/14, 2nd number: 10/12
40/14 - 10/12 is 85/42.
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,
10/12 = 10 × 7/12 × 7 = 70/84 - Subtract the two like fractions:
240/84 - 70/84 = 240 - 70/84 = 170/84 - After reducing the fraction, the answer is 85/42
- In mixed form: 21/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14-10/12 40/14-20/12 40/28-10/12 40/14-10/24 40/14-30/12 40/42-10/12 40/14-10/36 40/14-50/12 40/70-10/12 40/14-10/60 40/14-70/12 40/98-10/12 40/14-10/84