Learn how to subtract a mixed number from a negative mixed number

The video tutorial explains how to handle mixed numbers, focusing on converting them to improper fractions for operations. It covers finding common denominators, handling negative fractions, and simplifying results. The instructor provides step-by-step guidance, emphasizing the importance of ignoring negative signs initially and ensuring common denominators for addition or subtraction. The tutorial concludes with methods to simplify fractions by checking divisibility by common numbers.

What does it mean when you have a negative numerator and denominator?

Explain how to simplify the fraction -77/12.