Number 1
2 marks · NormalExplain why and are equal.
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Because simplifies to ; multiplying or dividing numerator and denominator by the same number does not change the value of a fraction.
Also accept: 6 and 10 can both be divided by 2, giving 3/5.
Common mistakes: incorrect or incomplete explanation
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Marking points
B1 · 1 mark · States or shows that both and can be divided by 2.
B2 · 1 mark · States that dividing numerator and denominator by the same number gives an equivalent fraction.
Worked solution
Both 6 and 10 can be divided by 2, giving 3 and 5; so . Dividing numerator and denominator by the same number does not change the value of the fraction.