Lesson Example Discussion Quiz: Class Homework |
Step-4 |
Title: Addition Fractions |
Grade: 8-a Lesson: S1-L5 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Add \$4 50/15 + 6 45/20\$. |
|
2 |
Step |
We change the mixed fractions into improper fractions. |
stem: [110/15 + 165/20] |
3 |
Step |
we need to reduce the fraction. |
\$22/3 + 33/4\$ |
4 |
Step |
Multiply the numerator and denominator of each fraction by a number so that they have the LCM as their new denominator. |
L.C.M 3, 4 = 12 |
5 |
Step |
Add or subtract the numerators and keep the denominator the same. |
\$ ((22 \times 4 )+(33 \times3))/12\$ |
6 |
Step |
Divide the numerator with the denominator. |
\$(88 + 99)/12\$ = \$187/12\$ |
7 |
Step |
You will get values of quotient (q)and remainder( r ). |
q=15,r=7 |
8 |
Step |
\$"Mixed fraction"\$ = \$"Whole number" + "Numerator" /"Denominator"\$ |
\$15 7/12\$ |
9 |
Answer |
B |
|
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