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December 21, 2014

December 21, 2014

Posted by **help** on Friday, August 31, 2012 at 2:11pm.

2/3 / 1/4

2. Find the product.

1/2 x 3/7

3. Divide. Write the quotient in simplest form.

3/5 / 2/10

4. Divide. Write the quotient in simplest form.

3/4 / 4/5

plz help me

- math -
**David Q/R**, Friday, August 31, 2012 at 2:36pmWhen you're dividing something by a fraction, change it to multiplying the something by the reciprocal of the fraction instead: it's much easier. The reciprocal of a fraction (a/b) is just (b/a). Also you'll need to know that (a/b) x (c/d) = (a x c) / (b x d). So:

(2/3) / (1/4) = (2/3) x (4/1) = (2x4) / (3x1) = 8/3

(1/2) x (3/7) = (1x3) / (2x7) = 3/14

(3/5) / (2/10) = (3/5) x (10/2) = (3x10) / (5x2) = 30/10 = 3

(3/4) / (4/5) = (3/4) x (5/4) = (3x5) / (4x4) = 15/16

- math -
**Jiskhi**, Thursday, April 4, 2013 at 5:22pmWhat is 3/7 times 9 in the simplest form

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