Add 18/6 and 40/45
1st number: 3 0/6, 2nd number: 40/45
18/6 + 40/45 is 35/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
18/6 = 18 × 15/6 × 15 = 270/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
40/45 = 40 × 2/45 × 2 = 80/90 - Add the two like fractions:
270/90 + 80/90 = 270 + 80/90 = 350/90 - 350/90 simplified gives 35/9
- So, 18/6 + 40/45 = 35/9
In mixed form: 38/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/6+40/45 18/6+80/45 18/12+40/45 18/6+40/90 54/6+40/45 90/6+40/45 18/30+40/45 18/42+40/45