SOLUTION: I am not sure how to simplify this complex fraction : 9-a/b/45/b; I wasn't sure whether to subtract letters (or divide numbers).

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Question 51289This question is from textbook
: I am not sure how to simplify this complex fraction : 9-a/b/45/b; I wasn't sure whether to subtract letters (or divide numbers). This question is from textbook

Answer by THANApHD(104) About Me  (Show Source):
You can put this solution on YOUR website!
remember BODMAS, the arithmatical order,

so Division comes first

9-a/b/45/b
= 9 -[(a/b)*(b/45)]
= (9*45-a)/45