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Number theory Difficulty 1.2 Junior Find the answer Canada

Which of these fractions is equivalent to $\frac{15}{25}$ ?

Pick one

Solution

Both the numerator and the denominator are divisible by 5.
Dividing, we get $\frac{15}{25}=\frac{15\div5}{25\div5}=\frac35$ . Therefore, $\frac{15}{25}$ is equivalent to $\frac35$ .

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.