exam Maths Puzzle Numerical Ability

I am having trouble dividing fractions. Can someone please help me.

3 1/5+ 2 1/4

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exam Other Question

Find the product: [x - ( 2 + i)][x - (2 - i)]. Solve in a 2 column setup.

Given: ABCD is a parallelogram; W,X,Y,Z are midpoints of segments AO,BO,CO,DO.
Prove: WXYZ is a parallelogram.

I am having trouble drawing