Posted by **Liz** on Saturday, October 23, 2010 at 2:21pm.

I really don't understand how to determine which number is greater and which one is smaller can anyone help auorlda ?

- Math Approximation fractions -
**Ms. Sue**, Saturday, October 23, 2010 at 2:29pm
Please post an example of this question. We can help you better if we have actual numbers to work with.

- Math Approximation fractions -
**Reiny**, Saturday, October 23, 2010 at 2:54pm
here is a neat trick

suppose you want to see which is larger

6/11 or 13/27

write them side by side

6/11 13/17

cross multiply , topleft to bottom right first, the the other way, write them side by side

102 143

place the correct > or < symbol between them

102 < 143

so 6/11 < 13/17

Of course since you probably have a calculator handy anyway, why not just change the fraction to a decimal, then decide, How easy is that?

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