Question

What is the sum of 1/9, 2/3, and 5/18

Answer 1

`(1)/(9)+(2)/(3)+(5)/(18)\\\\list\ the\ multiples\ of\\9:0;\ 9;\ \boxed{18};\ 27;...\\3:0;\ 3;\ 6;\ 9;\ 12;\ 15;\ \boxed{18};\ 21;...\\18:0;\ \boxed{18};\ 36;...\\\\Least\ Common\ Denominator\\LCD(9;\ 3;\ 18)=18\\\\(1)/(9)=(1\cdot2)/(9\cdot2)=(2)/(18);\ (2)/(3)=(2\cdot6)/(3\cdot6)=(12)/(18)\\\\therefore\\\\(1)/(9)+(2)/(3)+(5)/(18)=(2)/(18)+(12)/(18)+(5)/(18)=(19)/(18)=1(1)/(18)`