### Home > ACC7 > Chapter cc28 > Lesson cc28.2.2 > Problem 8-48

8-48.

Simplify each expression. Homework Help ✎

+ (− ) − (− ) 4

+ (−1 ) −

· · + −

· (− )

Find a common denominator.

Find a common denominator.

Convert these mixed numbers into fractions greater than one.

Follow the Order of Operations.

Your answer should be positive.