Question

Carl has three lengths of cable, 5/6 yard long, 1/4 yard long, and 2/3 yard long. after Carl has used 1 yard of cable, how much cable will he have left?

Answer 1

`(5)/(6)+(1)/(4)+(2)/(3)=\\\\(10)/(12)+(3)/(12)+(8)/(12)=\\\\(21)/(12)=(7)/(4)=1(3)/(4)\\\\1(3)/(4)-1=(3)/(4)\\\\He\ have\ left\ (3)/(4)\ yard\ of\ cable.`