Simplify each expression. Homework Help ✎
Find a common denominator for both fractions. Remember that adding a negative is the same as subtracting
Refer to part (a). Just remember that you are adding two negatives.
Multiply the numerators.
(9)(−2) = −18
Multiply the denominators.
(10)(3) = 30
These two answers are the new numerator and denominator.
Flip the second term and multiply. Refer to part (c).