Question

Answer these questions ​

Answer 1

Answer:

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Answer 2

Answer:

1.a Commutative property for addition.

b Commutative property for multiplication.

2.a 1/2×3/4 = 3/8

3/4×1/2 = 3/8

b 1/2+3/4 = 10/8

3/4+1/2 = 10/8

3.-8/9×1/-5 = -8/-45

-8/-45+-8/-45 = 360+360/2025

= 720/2025.........1

1/-5+-7/11 = 35+11/-5×11

= 46/-55

-8/9×46/-55 = 720/2025..........2

1=2

Hence,proved