Question

Subtract. Express your answer in simplest form. (-3/9) - 6/9 *

Answer 1

( - 3 / 9 ) - 6 / 9 = ( - 3 - 6 ) / 9 = - 9 / 9 = - 1

OR

- 3 / 9 - 6 / 9 = - 3 ∙ 1 / 3 ∙ 3 - 3 ∙ 2 / 3 ∙ 3 = - 1 / 3 - 2 / 3 = - 3 / 3 = - 1