SOLUTION: Multiply and write in simplest form 4 1/5 x 10/21 x 9/20? I have no clue on where to begin. Thank you. Michelle

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Question 188275: Multiply and write in simplest form 4 1/5 x 10/21 x 9/20? I have no clue on where to begin. Thank you.
Michelle
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
In order to multiply fractions, they must either be normal fractions like 1%2F2 or 2%2F3 or they must be improper fractions.


So we must convert 4%261%2F5 into an improper fraction


Remember, where "a" is the whole part of the fraction, "b" is the numerator, and "c" is the denominator.

So this means that




In short which means that the mixed fraction 4 and one fifth is the same as the improper fraction 21%2F5


--------------------------


... Start with the given expression.


... Replace 4%261%2F5 with 21%2F5


... Factor 20 into 2%2A10


... Cancel out the common terms.



... Simplify


... Multiply


... Combine the fractions.


... Multiply


So