book Maths Puzzle Numerical Ability

Add or subtract as indicated:

4/a-5 - 1/5-a

Thanks for any help given!

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book Other Question

martin has $5.50 in nickels and dimes in his piggy bank. if there are 20 more nickels than dimes, how many nickels does martin have in his piggy bank. Help Please!
Problem:
Jon and Lauren have a combined income of 48,000. Lauren earns 3,000 more than half of what Jon earns. How much does each earn?