How do you evaluate #\frac { 1} { 9} \div \frac { 1} { 45}#?

1 Answer
Jim G.
Mar 6, 2017

#5#

Explanation:

To divide 2 fractions, go through the following steps.

#• " Leave the first fraction"#

#• " Change division to multiplication"#

#• " Invert (turn upside down) the second fraction"#

#• " Cancel, if possible"#

#• "Simplify"#

#rArr1/9÷1/45#

#=1/9xx45/1larrcolor(red)" multiply / invert"#

#=1/cancel(9)^1xxcancel(45)^5/1larrcolor(red)" cancel using 9"#

#=(1xx5)/(1xx1)=5/1=5larrcolor(red)" simplify"#

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