Add 40/14 and 6/18
1st number: 2 12/14, 2nd number: 6/18
40/14 + 6/18 is 67/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
40/14 = 40 × 9/14 × 9 = 360/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
6/18 = 6 × 7/18 × 7 = 42/126 - Add the two like fractions:
360/126 + 42/126 = 360 + 42/126 = 402/126 - 402/126 simplified gives 67/21
- So, 40/14 + 6/18 = 67/21
In mixed form: 34/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14+6/18 40/14+12/18 40/28+6/18 40/14+6/36 40/42+6/18 40/14+6/54 40/14+30/18 40/70+6/18 40/14+6/90 40/14+42/18 40/98+6/18