Question 884540
We need to take the lcm of the denominator and solve as below
3/4 - 2/3 +1/2 +1/3

Lcm is 12

{{{(3*3)/(4*3) - (2*4)/(3*4) + (1*6)/(2*6) + (1*4)/(3*4)}}}

=> {{{9/12-8/12 + 6/12 + 4/12}}}
=> {{{(9-8+6+4)/12}}}
=> 11/12