Question

express 0.45bar in the form of p/q​

Answer 1

Let x=0.

45

x=0.454545454545 . . . (1)

Multiply equation (1) with 100

100x=45.4545454545 . . . (2)

Subtract equation (2) from (1)

100x−x=45.4545...−0.4545...

⇒99x= 45

⇒11x=5

⇒x=

11/5

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