Step-2

Title: Unlike fraction Addition

Grade: 5-a Lesson: S2-L3

Explanation: Hello Students, time to practice and review the steps. Let us take next 2-5 minutes to solve the steps for the problems. This is a good exercise to check your understanding of the concepts.Second student to identify and review important steps.Focus on understanding the concepts and application to solving problems step by step.

Discussion: Step1 Step2 Step3 Step4 Step5 Lesson Steps

Step Type Explanation Answer

1

Problem

Calculate \$23/5\$ + \$12/7\$.

2

Step

Given fractions are

\$23/5\$, \$12/7\$

3

Step

Least Common Multiple (LCM) between the denominators

LCM of 5, 7 = 35

4

Step

Multiply the numerator and denominator of each fraction by a number so that they have the LCM as their new denominator

\$(23 × 7) + (12 × 5)\$/35

5

Step

Add the numerators and keep the denominator the same

\$(161 + 60)/35\$ = \$221/35\$

6

Step

After adding, the resulting fraction is \$221/35\$

7

Answer

Option

C

8

Sumup

Can you summarize what you’ve understood in the above steps?

9

Choice.A

The option is incorrect. The \$245/35\$ is higher than the correct result

\$250/35\$

10

Choice.B

This Option is \$225/35\$ is slightly lower than the correct result

\$225/35\$

11

Choice.C

This Option is correct \$221/35\$ is the correct match

\$221/35\$

12

Choice.D

The option is incorrect. The \$245/35\$ is higher than the correct result

\$245/35\$

13

Sumup

Can you summarize what you’ve understood in the above steps?

Discussion: Step1 Step2 Step3 Step4 Step5


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