Add 18/9 and 40/14
1st number: 2 0/9, 2nd number: 2 12/14
18/9 + 40/14 is 34/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
18/9 = 18 × 14/9 × 14 = 252/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
40/14 = 40 × 9/14 × 9 = 360/126 - Add the two like fractions:
252/126 + 360/126 = 252 + 360/126 = 612/126 - 612/126 simplified gives 34/7
- So, 18/9 + 40/14 = 34/7
In mixed form: 46/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+40/14 18/9+80/14 18/9+40/28 54/9+40/14 18/27+40/14 18/9+40/42 90/9+40/14 18/45+40/14 18/9+40/70 18/63+40/14 18/9+40/98