earlethea Posts: 1, Reputation: 1 New Member #1 Jun 21, 2010, 11:14 AM
what is the simplest form of 2/5 x 10/7
2/5 x 10/7
 ohsohappy Posts: 1,564, Reputation: 314 Ultra Member #2 Jun 21, 2010, 01:13 PM

To do this problem zall you need to do is multiply the denominators and the numerators together. (2 x 10) and (5 x 7) and then you divide the top and bottom by a common factor until it can't be reduced any more.
 Unknown008 Posts: 8,076, Reputation: 723 Uber Member #3 Jun 21, 2010, 11:31 PM

Or if you don't want to multiply 'big numbers' you can already start dividing:

$\frac25 \times \frac{10}{7}$

Ten, divided by 5, gives 2.

$\frac{2}{\cancel{5}} \times \frac{\cancel{10}^2}{7}$

Then, multiply the numerators, giving:

$\frac{4}{7}$

Now the question is... can this fraction be further simplified?

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