Answer :
She needs 1/6 what you do is find a common denominator, Which equals 6 and then subtract 1/2 by 1/3 and you get 1/6.So she needs 1/6 cube or vegetable oil :)
1/2-1/3
=The lcm of 2 and 3 is 6;
[tex] \frac{3-2}{6} [/tex]
=[tex] \frac{1}{6} [/tex]
She requires a 1/6
=The lcm of 2 and 3 is 6;
[tex] \frac{3-2}{6} [/tex]
=[tex] \frac{1}{6} [/tex]
She requires a 1/6