Maths-
General
Easy

Question

Convert the following repeating decimals to fractions
b) 0.155555555555

hintHint:

Perform necessary multiplications to make it as a fraction.

The correct answer is: 7/45


    Complete step by step solution:
    (b) Let x= 0.1555555555
    Now multiply by 10 on both the sides,
    We get, 10x = 1.55555555
    On subtracting  from both the sides, we have
    10x - x = 1.55555555 - 0.155555555
    rightwards double arrow 9 x space equals space 1.4
rightwards double arrow x space equals space fraction numerator 1.4 over denominator 9 end fraction
    Multiply by 10 on numerator and denominator of x.
    On multiplying, we have 14 over 90.(Since the numerator and denominator of a fraction must be integers)
    On simplification, we get 7 over 45
    Hence 0.15555555 …. = 7 over 45

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