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how do you do this math?

Mathematics
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7 over 9 times 21 over 10

Oct 28th, 2014

7/9*21/10

This then becomes (7*21)/(9*10) - by multiplying the top and bottom of each fraction.

= 147/90 = 1.63 (or 1 57/90 which simplifies to 1 19/30).

Oct 28th, 2014

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Oct 28th, 2014
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Oct 28th, 2014
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