Desperate Help with Algebra!!!!!!!!!?

Question

 It would be great if someone could help me. Thank you so much in advance.

Answer 1

(6)

The expression is .

Fractions with different denominators can not be subtracted. So, write the expression with common denominator.

Find the least common denominator L.C.M.

The least common multiple of and is .

Rewrite the expression with common denominator.

Since denominators are same, subtract the numerators over the denominator.

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