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
Algebra.Com
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) (Show Source): You can put this solution on YOUR website!
In order to multiply fractions, they must either be normal fractions like or or they must be improper fractions.
So we must convert 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
--------------------------
... Start with the given expression.
... Replace with
... Factor 20 into
... Cancel out the common terms.
... Simplify
... Multiply
... Combine the fractions.
... Multiply
So 
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