Express 0.418 as a fraction - Edexcel - GCSE Maths - Question 16 - 2019 - Paper 1

Question 16

Express 0.418 as a fraction.
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Worked Solution & Example Answer:Express 0.418 as a fraction - Edexcel - GCSE Maths - Question 16 - 2019 - Paper 1
Step 1: Set Up the Equation

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Let ( x = 0.418 ). To eliminate the decimal, multiply both sides by 1000:
1000x=418Step 2: Isolate the Variable

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Now, express the equation in fraction form:
x=1000418Step 3: Simplify the Fraction

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To simplify ( \frac{418}{1000} ), find the greatest common divisor (GCD):\nThe GCD of 418 and 1000 is 2, so:
1000÷2418÷2=500209
Therefore, ( 0.418 = \frac{209}{500} ) as a simplified fraction.
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