Add 40/12 and 15/14
1st number: 3 4/12, 2nd number: 1 1/14
40/12 + 15/14 is 185/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
40/12 = 40 × 7/12 × 7 = 280/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
15/14 = 15 × 6/14 × 6 = 90/84 - Add the two like fractions:
280/84 + 90/84 = 280 + 90/84 = 370/84 - 370/84 simplified gives 185/42
- So, 40/12 + 15/14 = 185/42
In mixed form: 417/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+15/14 40/12+30/14 40/24+15/14 40/12+15/28 40/12+45/14 40/36+15/14 40/12+15/42 40/12+75/14 40/60+15/14 40/12+15/70 40/84+15/14 40/12+15/98