A box contains 12 red balls and 8 blue balls. What fraction of the balls are red

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Question: A box contains 12 red balls and 8 blue balls. What fraction of the balls are red?

Options:

Correct Answer: 3/5

Solution:

Total balls = 12 + 8 = 20. Fraction of red balls = 12/20 = 3/5.

A box contains 12 red balls and 8 blue balls. What fraction of the balls are red?

A box contains 12 red balls and 8 blue balls. What fraction of the balls are red?

Step 1: Count the number of red balls in the box. There are 12 red balls.
Step 2: Count the number of blue balls in the box. There are 8 blue balls.
Step 3: Add the number of red balls and blue balls together to find the total number of balls. 12 red + 8 blue = 20 total balls.
Step 4: To find the fraction of the balls that are red, take the number of red balls (12) and put it over the total number of balls (20). This gives you the fraction 12/20.
Step 5: Simplify the fraction 12/20. Both 12 and 20 can be divided by 4. So, 12 ÷ 4 = 3 and 20 ÷ 4 = 5. This simplifies to 3/5.

Fraction Calculation – Understanding how to calculate the fraction of a part relative to the whole.
Addition – Adding quantities to find the total number of items.
Simplifying Fractions – Reducing fractions to their simplest form.