Add 40/3 and 16/18
1st number: 13 1/3, 2nd number: 16/18
40/3 + 16/18 is 128/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
40/3 = 40 × 6/3 × 6 = 240/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
16/18 = 16 × 1/18 × 1 = 16/18 - Add the two like fractions:
240/18 + 16/18 = 240 + 16/18 = 256/18 - 256/18 simplified gives 128/9
- So, 40/3 + 16/18 = 128/9
In mixed form: 142/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3+16/18 40/3+32/18 40/6+16/18 40/3+16/36 40/3+48/18 40/9+16/18 40/3+16/54 40/3+80/18 40/15+16/18 40/3+16/90 40/21+16/18