Question

What should be added to twice the
rational number - 9/4 to get 4/9 ?​

Answer 1

Step-by-step explanation:

let the no.be X

-9/4+x=4/9

x=4/9-(-9/4)

x=4/9+9/4

x=16+81/36

x=97/36

Answer 2

Answer:

107/21

Step-by-step explanation:

Suppose x be the rational number which is to be add.

According to the given condition,

2×  

3

−7

​  

+x=  

7

3

​  

 

⟹  

3

−14

​  

+x=  

7

3

​  

 

⟹x=  

7

3

​  

+  

3

14

​  

[Transposing  

3

−14

​  

toRHS]

⟹x=  

21

3×3+14×7

​  

=  

21

9+98

​  

 

⟹x=  

21

107

​