SOLUTION: how to estimate the product of a fraction example 4/9 x 3/7

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Question 545308: how to estimate the product of a fraction example 4/9 x 3/7
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
estimate? just multiply straight accross
4*3=12
9*7=63
can be reduced by 3
4/21 thats the exact amount
also could do cross cancelation of 3 and 9 to make it %284%2F3%29%281%2F7%29