Write as a fraction with denominator .

Multiply by .

Multiply and .

Write as a fraction with denominator .

Multiply by .

Multiply and .

Combine the numerators over the common denominator.

Combine and .

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Combine and .

Cancel the common factor of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

To write as a fraction with a common denominator, multiply by .

Combine and .

Combine the numerators over the common denominator.

To write as a fraction with a common denominator, multiply by .

Combine and .

Combine the numerators over the common denominator.

Rewrite in a factored form.

Multiply by .

Multiply by .

Add and .

Multiply the numerator by the reciprocal of the denominator.

Multiply and .

Multiply by .

Split the fraction into multiple fractions.

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Combine 2/5k-3/5+1/10k