Subtracting Fractions with Unlike Denominators (Pictorial/Array vs. Traditional Method)

Video Walkthrough: Subtracting Fractions with Unlike denominators Part 1 features:

• Both pictorial and array solutions
• 1/2 - 1/4
• simplification of the difference 2/8=1/4

Video Walkthrough: Subtracting Fractions with Unlike denominators Part 2 features:

• Traditional Method of solving 1/2 - 1/4
• Multiples
• Using LCM (Least Common Multiple) to find a common denominator
• Why 1/4 = 2/8

New York State Core Curriculum 2011