Add 18/5 and 10/18
1st number: 3 3/5, 2nd number: 10/18
18/5 + 10/18 is 187/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
18/5 = 18 × 18/5 × 18 = 324/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
10/18 = 10 × 5/18 × 5 = 50/90 - Add the two like fractions:
324/90 + 50/90 = 324 + 50/90 = 374/90 - 374/90 simplified gives 187/45
- So, 18/5 + 10/18 = 187/45
In mixed form: 47/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/5+10/18 18/5+20/18 18/10+10/18 18/5+10/36 54/5+10/18 18/5+30/18 18/15+10/18 18/5+10/54 90/5+10/18 18/5+50/18 18/25+10/18 18/5+10/90 18/5+70/18 18/35+10/18