https://file.aiquickdraw.com/mathbot/file/1726466546870oj0r52lr.jpg

From the number line, we observe the following:

- \( A \) is positioned at \( \frac{4}{10} \).
- \( B \) is positioned at \( \frac{8}{10} \).

To evaluate \( A + B \):
\[
A + B = \frac{4}{10} + \frac{8}{10} = \frac{4 + 8}{10} = \frac{12}{10} = 1.2
\]

Thus, \( A + B = 1.2 \).

Would you like further details or have any questions? 

Here are some related questions for practice:
1. What is \( A - B \)?
2. How would you express \( A + B \) as a mixed fraction?
3. If \( A \) was \( \frac{3}{10} \), what would \( A + B \) equal?
4. What is the difference between adding fractions with different denominators versus the same denominator?
5. How would you convert \( 1.2 \) back into a fraction?

**Tip:** When adding fractions with the same denominator, simply add the numerators while keeping the denominator constant.

Study the number line and evaluate A + B.

Learn how to add fractions using a number line. This problem covers the addition of fractions with the same denominator, resulting in the sum of A + B = 1.2. Suitable for students in Grades 4-6.

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