Add 8/18 and 18/5
1st number: 8/18, 2nd number: 3 3/5
8/18 + 18/5 is 182/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
8/18 = 8 × 5/18 × 5 = 40/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
18/5 = 18 × 18/5 × 18 = 324/90 - Add the two like fractions:
40/90 + 324/90 = 40 + 324/90 = 364/90 - 364/90 simplified gives 182/45
- So, 8/18 + 18/5 = 182/45
In mixed form: 42/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18+18/5 8/18+36/5 8/36+18/5 8/18+18/10 24/18+18/5 8/18+54/5 8/54+18/5 8/18+18/15 40/18+18/5 8/18+90/5 8/90+18/5 8/18+18/25 56/18+18/5 8/18+18/35