13 is what percent of 18 = 13 / 18 = 0.722222 or 72.2%
It is 18 - (-13) = 18 + 13 = 31
13 is what percent of 18 = 13 / 18 = 0.722222 or 72.22%.
5 + -13 + 18 = 5 - 13 + 18 = 10
18 + 13% = 18 x (1 + (13/100)) = 18 x 1.13 = 20.34
Since 13 is a prime number, and 18 is the LCM of 9 and 18, then 13*18 = 234 is the LCM of 13, 9, and 18.
31-18 = 13
18 + 13 = 31
18 + 13 = 31
18 multiplied by 13 is 234
13/18
When simplifying 5 13/18, the answer will be 103/18.