Step-1

Title: Substitue the different variable values in the expressions using fractions

Grade: 6-a Lesson: S2-L8

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step Type Explanation Answer

1

Problem

Determine the value of an expression when z = 1

\$ 2/3 + z + 1/z \$

2

Step

Now substitute "z" value in expression

\$ 2/3 + 1 + 1/1 \$

3

Step

After simplification we get

\$ 2/3 + 2 \$

4

Step

Taking LCM as 3

\$ (2 \times 1 + 2 \times 3)/3 \$

5

Step

After adding

\$ (2 + 6)/3 \$

6

Step

After simplification

\$ 8/3 \$

7

Answer

A


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