Add 30/10 and 18/9
1st number: 3 0/10, 2nd number: 2 0/9
30/10 + 18/9 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 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 9 × 10 = 90,
18/9 = 18 × 10/9 × 10 = 180/90 - Add the two like fractions:
270/90 + 180/90 = 270 + 180/90 = 450/90 - 450/90 simplified gives 5/1
- So, 30/10 + 18/9 = 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+18/9 30/10+36/9 30/20+18/9 90/10+18/9 30/10+54/9 30/10+18/27 30/10+90/9 30/50+18/9 30/10+18/45 30/70+18/9 30/10+18/63