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

Write each expression with a common denominator of , by multiplying each by an appropriate factor of .

Multiply and .

Multiply by .

Combine the numerators over the common denominator.

Simplify the numerator.

Multiply by .

Add and .

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

Write each expression with a common denominator of , by multiplying each by an appropriate factor of .

Multiply and .

Multiply by .

Combine the numerators over the common denominator.

Simplify the numerator.

Multiply by .

Add and .

Subtract from both sides of the equation.

Write as a fraction with a common denominator.

Combine the numerators over the common denominator.

Subtract from .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Solve for s 4/9+7/81+10/27+s=1