Use the cross-product method to find out whether the pair of fractions is equivalent.
2/9, 4/16

Question

Use the cross-product method to find out whether the pair of fractions is equivalent.
2/9,  4/16

anonymous · Answer

2*16 = 4 *9
32 = 32

cool

anonymous · Answer

how did you get that?

anonymous · Answer

$$\frac{2}{9} \times \frac{4}{16}$$
you multiply across the diagonals.  the 2 matches with the 16 and the 9 matches with the 4.

anonymous · Answer

okay thanks so much i like it a lot better when people can help explain things to me ,  what about this one? divide using long divison 
8 divided by 24,324

anonymous · Answer

=8

anonymous · Answer

it's hard to explain long division without talking through it, honestly =/ there's a nice wikipedia though. http://en.wikipedia.org/wiki/Long_division