Title: Lesson: addition of fractions
Course: 2024 Math 5° (reference) > Section: 15 april - 21 april

During this lesson you will review and practice different Fraction concepts.
You need time to review the videos and complete the exercises.
Have your math notebook near to solve exercises.

1. Addition of fraction with different denominators.
2. Least Common multiples (LCM).

Watch the videos and complete the practice exercises.
Remember to complete the lesson all the way to the end.
You can complete the lesson as many times to practice and improve.

Least Common multiple (LCM)

There are different ways to calculate the LCM. You can use any of the methods you fill more comfortable using.

LCM Questions

Find the LCM of 6 and 9

- 18
Feedback: Correct! 6: 6,12,18 9: 9,18
- 12
Feedback: Incorrect! 6: 6,12,18 9: 9,18
- 54
Feedback: Incorrect! 6: 6,12,18 9: 9,18

Addition of fractions

Review the different way you can add fractions, you can write examples on your math notebook.

In the video you can see an example of how to add fractions with different denominators.

Addition question (same denominator

Solve the addition operation

\( \frac{8}{9} + \frac{4}{9} \)

- \( \frac{12}{9} \)
Feedback: Correct! 8+4= 12 and the denominator stays the same = 9
- \( \frac{12}{18} \)
Feedback: Incorrect! 8+4= 12 and the denominator stays the same = 9
- \( \frac{4}{9} \)
Feedback: Incorrect! 8+4= 12 and the denominator stays the same = 9

Subtraction of fraction question

Solve the subtraction operation using the LCM.

\( \frac{10}{4} - \frac{9}{12} \)

- \( \frac{21}{12} \)
Feedback: Correct!! LCM = 12 Incorrect!! LCM = 12 \( \frac{10}{4} \) x 3 = \(\frac{30}{12} - \frac{9}{12} \)
- \( \frac{1}{12} \)
Feedback: Incorrect!! LCM = 12 \( \frac{10}{4} \) x 3 = \(\frac{30}{12} - \frac{9}{12} \)
- \( \frac{19}{12} \)
Feedback: Incorrect!! LCM = 12 Incorrect!! LCM = 12 \( \frac{10}{4} \) x 3 = \(\frac{30}{12} - \frac{9}{12} \)

End of the lesson

You reach the end of the lesson.
See you in class to complete the exercises in the UNO book TERM 3

Event: Lesson: addition of fractions opens