SP002 Maths Paper 2 – Question 05

James kept pens in bags C and D. Bag C contained twice as many pens as bag D.
In bag C, $\dfrac{1}{4}$ of the pens were blue pens. In bag D, $\dfrac{1}{3}$ of the pens were blue pens.
What fraction of James' pens were $not$ blue pens?

Ans: ______________ [2 marks]