Question

8-4 (1/8r-3 1/2) Please solve

Answer 1

IM CONFUSED.
Are u supposed to solve it or leave it as an expression. 4/8r - 3 1/2

Answer 2

 5.1   Subtracting a fraction from a whole 

Rewrite the whole as a fraction using  2  as the denominator :

8 8 • 2 8 = — = ————— 1 2

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole 

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

 5.2       Adding up the two equivalent fractions 

8 • 2 - ((r-12)) 28 - r ———————————————— = —————— 2 2 Final result : 28 - r —————— 2