Add 30/5 and 18/9
1st number: 6 0/5, 2nd number: 2 0/9
30/5 + 18/9 is 8/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
30/5 = 30 × 9/5 × 9 = 270/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
18/9 = 18 × 5/9 × 5 = 90/45 - Add the two like fractions:
270/45 + 90/45 = 270 + 90/45 = 360/45 - 360/45 simplified gives 8/1
- So, 30/5 + 18/9 = 8/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/5+18/9 30/5+36/9 30/10+18/9 90/5+18/9 30/5+54/9 30/15+18/9 30/5+18/27 30/5+90/9 30/25+18/9 30/5+18/45 30/35+18/9 30/5+18/63