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2 votes
What is 4/5 is multiply by 9/10



2 Answers

5 votes
Answer; 18/25

sorry if wrong
User Fishtoaster
by
5.2k points
2 votes
18/25

The shortcut to use is to reduce 4/5 x 9/10 to 2/5 x 9/5. Multiply this to get 18/25.

Or you could do 4/5 x 9/10 to get 36/50 then divide by 2 for 18/25.
User Hkchakladar
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5.0k points