Concept explainers
Add or subtract
Answer to Problem 20MCQ
Explanation of Solution
Given:
Concept used:
The LCD (Least Common Denominator) is the smallest number that is divisible by all the denominators.
Calculation:
The LCD (Least Common Denominator) is the smallest number that is divisible by all the denominators.
The given expression can be written as
Here observe that the denominators are not same, so first we will make both denominators equal to LCD. The LCD of
So in order to subtract the fractions, we make both the denominators equal to LCD by multiplying the first fraction by
Thus, the given expression simplifies to
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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