Question

what should be added to twice the rational number-1/2to get 2/3​

Answer 1

Answer:

let the required number be x

2x+(-1/2) =2/3

2x-1/2=2/3

2x=2/3+1/2

2x=4+3/6

2x=7/6

x=7/6÷2

x=7/6×1/2

x=7/12