The equation \( \frac{8}{40} = \frac{9}{45} \) can be simplified to see if both sides are equal.

### Simplifying both fractions:

- For \( \frac{8}{40} \), we can divide both the numerator and denominator by their greatest common divisor (GCD), which is 8:
  \[
  \frac{8}{40} = \frac{8 \div 8}{40 \div 8} = \frac{1}{5}
  \]

- For \( \frac{9}{45} \), we can divide both the numerator and denominator by their GCD, which is 9:
  \[
  \frac{9}{45} = \frac{9 \div 9}{45 \div 9} = \frac{1}{5}
  \]

Since both fractions simplify to \( \frac{1}{5} \), we have:
\[
\frac{8}{40} = \frac{9}{45}
\]
So, the equation is **true**.

Do you want any more details or have questions?

### 5 related questions:
1. How do you find the GCD of two numbers?
2. Can you simplify the fraction \( \frac{15}{75} \)?
3. What is the difference between an improper fraction and a proper fraction?
4. How do you convert a fraction to a decimal?
5. How do you solve for \( x \) in a proportion like \( \frac{a}{b} = \frac{c}{d} \)?

**Tip:** Simplifying fractions makes calculations easier and helps in comparing them directly!

Discover how to simplify fractions and check the equality of 8/40 and 9/45 by reducing both fractions to their simplest form using the greatest common divisor (GCD). Perfect for students in Grades 5-7 learning about fractions and proportions.

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