Factor out of .

Cancel the common factors.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Divide by .

Multiply by .

Combine.

Apply the distributive property.

Cancel the common factor.

Rewrite the expression.

Multiply by .

Multiply by .

Add and .

Multiply by .

Add and .

Divide by .

Evaluate (90+87)/(90/2.7+87/3)