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Mathematics 15 Online
OpenStudy (anonymous):

If you multiply 4 1/2 x 2 1/3 the next step would be 9/2 x 7/3 (reducing it) 3/2 x 7/1 = 21/2 and the answer is 10 1/2 how did it result the 10 1/2? can someone help me??

OpenStudy (anonymous):

What's half of 21?

OpenStudy (anonymous):

ohh ok.. 10.5 = 10 1/2

OpenStudy (anonymous):

\[{3 \over 2} * {7 \over 1} = {21 \over 2} \]

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

\[{1 \over 2} = 0.5\]

OpenStudy (anonymous):

thanks so much for your help! =)

OpenStudy (anonymous):

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