Question

Express the following decimal in the rational form.
12.28 (bar on 8).
Plz explain step by step
give correct answer​

Answer 1

let x=12.28

x=12.28888 ....

10x=122.8888.....

100x=1228.8888....

100x-10x=1106

90x=1106

x=1106/90

Answer 2

Answer:

${\boxed{\rm{\dfrac{121}{9}}}}$

Step-by-step-explanation:

Let x be 12.288...

10x = 12.288...

10x 12.88...

10x = 121 + 12.88... = 121 + x

10 x - x = 121

9x = 121

x = 121/9