book Maths Puzzle Numerical Ability

Can you help me subtract:

13/15 - 11/20

Thanks!

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book Other Question

Use the binomial theorum to find the fifth term in the expansion (2x+3y)^5.

Thank You ne serving (1/2 cup) of cooked peas contains 45 more Calories than one
serving of cooked carrots and 50 more Calories than one serving of cooked
green beans. If one serving of c