Lesson Example Discussion Quiz: Class Homework |
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. |
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? |
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