Question

Verify associative property under addition for :- a = 7/ 9 , b = −1/ 4 and c = 3 /5

Answer 1

Answer:

To prove

5

−2

+(

15

4

+

10

−7

)=(

5

−2

+

15

4

)+

10

−7

Taking LCM

2 15,10

3 15,5

5 5,5

1,1

LHS=

5

−2

+(

15

4

+

10

−7

)

TAking LCM LHS=

5

−2

+(

15×2

4×2

+

10×3

−7×3

)

5

−2

+(

30

8−21

)

RHS=

5

−2

=

5×6

−2×6

−

30

13

=

5×6

−2×6

(∵LCMof5and30=30)

RHS =(

5×3

−2×3

+

15×1

4×1

)+

10

−7

Taking LCM

3 5,15

5 5,5

1,1

Hence, the associative property for the addition of rational numbers is verified.

Answer 2

Answer:

Papers ke liyeCopied text is stored in the clipboard for 1 hour.Press and hold an item to delete it.Press and hold an item to pin it.