Add 40/18 and 30/10
1st number: 2 4/18, 2nd number: 3 0/10
40/18 + 30/10 is 47/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
40/18 = 40 × 5/18 × 5 = 200/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
30/10 = 30 × 9/10 × 9 = 270/90 - Add the two like fractions:
200/90 + 270/90 = 200 + 270/90 = 470/90 - 470/90 simplified gives 47/9
- So, 40/18 + 30/10 = 47/9
In mixed form: 52/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+30/10 40/18+60/10 40/36+30/10 40/18+30/20 40/18+90/10 40/54+30/10 40/90+30/10 40/18+30/50 40/18+30/70