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Algebra (sample problems with fractions)

I am trying to help my grandson with is home work and I am not much help to him. "Can you help me with solving these problems?"

Perform the following operation with fractions:

1. 7 1
-- +-- =
9 3

2. 3 1
-- - -- =
4 6

3. 7 6
-- *-- =
4 11

4 1 1
-- -:- -- =
8 4

Simplify.

5. 6 - 24 -:- 2 * 3- 1 =

6. (2*5)2 =

Simplify and identify the property used:

7. -4 (x+2) =

8. 1
-- *8 =
8

Simplify:

9. (-15)(-10) =

10. (-7) + 3 -10 + (-2) =

**** Bonus*****(worth 1/4 points

Simplify by writing the problem, then solving it

Find the quotient of 3 and 6 added to the product if 12 and 12..

Solution Preview

1. 7 1
-- +-- = 7/9 + 1/3 = 7/9 + 3/9 = 10/9
9 3

2. 3 1
-- - -- = 3/4 - 1/6= 9/12 - 2/12 = 7/12
4 6

3. 7 6
-- *-- = 7/2 * 3/11 = 21/22
4 11

4 ...

Solution Summary

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