Subtract 36/12 from 40/14
1st number: 2 12/14, 2nd number: 3 0/12
40/14 - 36/12 is -1/7.
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,
36/12 = 36 × 7/12 × 7 = 252/84 - Subtract the two like fractions:
240/84 - 252/84 = 240 - 252/84 = -12/84 - After reducing the fraction, the answer is -1/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14-36/12 40/14-72/12 40/28-36/12 40/14-36/24 40/42-36/12 40/70-36/12 40/14-36/60 40/98-36/12 40/14-36/84