Write as a fraction with denominator .
Multiply by .
Multiply and .
Write as a fraction with denominator .
Multiply by .
Multiply and .
Combine fractions with similar denominators.
Multiply.
Multiply by .
Multiply by .
Multiply by .
Add and .
Subtract from .
Divide by .
Simplify 0.5+0.5÷0.5-0.5*0.5