Question

Express each of following decimal in the form p/q.
a) 0.7bar b) 0.54 bar

Answer 1

Let

x=0.7bar

Multiplying both sides by 10

10x=7.7bar

Subtracting both sides by x

10x-x=7.7bar - 0.7bar

9x=7

x=7/9

Same step with the 2nd question

Answer 2

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