# math

posted by bob

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.

1. Ms. Sue

12

2. bob

Ms. Sue can you tell me how you got that answer please.

3. Ms. Sue

Multiples of 6:

6, 12, 18, 24

Multiples of 4:

4, 8, 12, 16, 20

4. bob

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?

5. Stranger

Why do you just use the denominators?

6. Anonymous

12 6x4=24 divided by 2=12

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