Mini-Lecture 7.8: Simplifying Complex Fractions | Lecture Note - Edubirdie

University:
Montgomery College
Course:
MATH 130: Elements of Mathematics I: Mathematical Reasoning and Number Systems
Academic year:

2023
Views:

325

Pages:

1
Author:

Raphael Burgess

Mini-Lecture 7.8 Simplifying Complex Fractions Learning Objectives 1. Simplify complex fractions using method 1. 2. Simplify complex fractions using method 2. Examples: 1. Simplify using Method 1. a) 1 11 5 6 b) 7m 6 n 3 5m 9m 2 n 8 4n 2 b) 4 y 7 y + 10 b) 3 x x 1 + 4 12 c) 8 +8 a 8 −8 a c) 9s 2 − 25t 2 st 3 5 − t s c) 3 −3 5x − 1 3 +3 5x − 1 2. Simplify using Method 2. a) x+7 8 x +1 x 3. Simplify using either method. a) 1 1 − 7 5 1 1 + 5 2 9+ Teaching Notes: • • • A brief review of division with fractions may be needed. Students with more mathematical confidence tend to use Method 2 – LCD. Each section in the text has 3 worksheets in the Extra Practice featuring differentiated learning. Answers: 1a) 6/55; 1b) 3b) 36 2 − 5x ; 3c) 5x x 28m3 1+ a x2 + 7 x 4 y + 40 ; 1c) ; 2a) ; 2b) ; 2c) 3s + 5t ; 3a) -4/49; 3 1− a 8x + 8 7y 45n

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