math fractions

posted by bob

•math - Ms. Sue, Sunday, November 16, 2014 at 12:39pm
12


•math - bob, Sunday, November 16, 2014 at 12:56pm
Ms. Sue can you tell me how you got that answer please.


•math - Ms. Sue, Sunday, November 16, 2014 at 1:09pm
Multiples of 6:

6, 12, 18, 24

Multiples of 4:

4, 8, 12, 16, 20


•math - bob, Sunday, November 16, 2014 at 5:13pm
thanks mrs. sue. I understand now how I should get the lcm but how do I figure out how many pounds of meat will be in the meat loaf? when I multiply do I work the problem like this....
3/4 *5/6
=9/12*10/12
=90/12
=7 6/12
=7 1/2
is this correct?

  1. Ms. Sue

    No.

    Here's your original problem:

    Tom is making meatloaf with 3/4 pound of turkey and 5/6 pound of ground beef. What is the LCM he should use to find the total number of pounds of meat? How many pounds of meat will be in the meat loaf? Show your work Completely.

    He's using less than a pound of turkey and less than a pound of beef. It makes no sense that he'd be using over 7 cups altogether.

    So -- you've tried multiplying -- and that didn't work. You have three other operations you could try -- addition, subtraction and division. Which do you think will give you the correct answer?

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