Expression 0.612 in the form \;x/y, where x and y are integers and y ≠ 0

Correct Answer is : 153250\;153/250250153

Correct Answer is : 153250\;153/250250153

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WAEC Mathematics 2018 Paper

Question : 29

Total: 50

\;\frac{x}{y}

\neq

Solution:

Concept:

To convert a terminating decimal to a fraction, write it over the correct power of 10 and simplify.

Explanation:

Write

0.612

\frac{612}{1000}

because there are 3 decimal places.

Simplify the fraction by dividing numerator and denominator by their HCF, which is 4:

\frac{612 \div 4}{1000 \div 4} = \frac{153}{250}

Since 153 and 250 have no common factors, the fraction is in its simplest form.

Answer:

\frac{153}{250}

(Option A)

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