Q. Evaluate the expression shown below and write your answer as a fraction in simplest form.83+81Answer:
Identify common denominator: Identify the common denominator.Both fractions(83) and (81) have the same denominator, which is 8.
Add numerators: Add the numerators.Since the denominators are the same, we can add the numerators directly.3+1=4
Write as fraction: Write the result as a fraction with the common denominator.The sum of the fractions is 84.
Simplify fraction: Simplify the fraction.The fraction (84) can be simplified by dividing both the numerator and the denominator by their greatest common divisor, which is 4.(4÷4)/(8÷4)=21