Lesson Example Discussion Quiz: Class Homework |
Step-1 |
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 |
Find \$26/8\$ + \$17/5\$? |
|
2 |
Step |
Given fractions are |
\$26/8\$, \$17/5\$ |
3 |
Step |
Least Common Multiple (LCM) between the denominators |
LCM of 8, 5 = 40 |
4 |
Step |
Multiply the numerator and denominator of each fraction by a number so that they have the LCM as their new denominator |
\$((26 × 5) + (17 × 8))\$/40 |
5 |
Step |
Add the numerators and keep the denominator the same |
\$(130 + 136)/40\$ = \$266/40\$ |
6 |
Step |
After adding, the resulting fraction is \$266/40\$ |
|
7 |
Step |
Simplify the fraction \$266/40\$ by dividing it by 20 |
\$(266 \div 20)/(40 \div 20)\$ = \$133/20\$ |
8 |
Answer |
Option |
B |
9 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
|
10 |
Choice.A |
This option is incorrect because it states the sum as \$145/20\$, which is not equal to the correct sum of \$133/20\$ |
\$145/20\$ |
11 |
Choice.B |
This option is correct because the sum of \$26/8\$ and \$17/5\$ equal to \$133/20\$ |
\$133/20\$ |
12 |
Choice.C |
This option is incorrect because it states the sum as \$155/20\$, which is not equal to the correct sum of \$133/20\$ |
\$155/20\$ |
13 |
Choice.D |
This option is incorrect because it states the sum as \$135/20\$, which is not equal to the correct sum of \$133/20\$ |
\$135/20\$ |
14 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
|
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