It is neccesary because you cannot subtract them without having a common denominator so you have to rename 4 1/2
Answer:
$10.27
Step-by-step explanation:
H + F = $8, (7% of 8 is 0.56) [$8.56] + 20% = 10.272 --> $10.27
So are you trying to simplify one side to get it to look like the other?
= 10 hole minus. U add the two halfs then ad the hole minus
