Add 30/10 and 40/18
1st number: 3 0/10, 2nd number: 2 4/18
30/10 + 40/18 is 47/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
30/10 = 30 × 9/10 × 9 = 270/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
40/18 = 40 × 5/18 × 5 = 200/90 - Add the two like fractions:
270/90 + 200/90 = 270 + 200/90 = 470/90 - 470/90 simplified gives 47/9
- So, 30/10 + 40/18 = 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: 60/10+40/18 30/10+80/18 30/20+40/18 30/10+40/36 90/10+40/18 30/10+40/54 30/50+40/18 30/10+40/90 30/70+40/18