To simplify the expression \( \frac{4}{5} - \frac{5}{10} \):

1. First, express both fractions with the same denominator. The least common denominator (LCD) between 5 and 10 is 10.
   - Rewrite \( \frac{4}{5} \) as \( \frac{8}{10} \) (since \( \frac{4}{5} \times \frac{2}{2} = \frac{8}{10} \)).
   - Now the expression becomes \( \frac{8}{10} - \frac{5}{10} \).

2. Subtract the numerators:
   \[
   \frac{8}{10} - \frac{5}{10} = \frac{8 - 5}{10} = \frac{3}{10}
   \]

So, \( \frac{4}{5} - \frac{5}{10} = \frac{3}{10} \).

Would you like further details or have any questions?

Here are 5 related questions:
1. How do you find the least common denominator of two fractions?
2. What is the process for subtracting fractions with different denominators?
3. How do you simplify fractions after performing operations on them?
4. Can improper fractions be subtracted the same way as proper fractions?
5. How can you convert a fraction to a decimal?

**Tip:** When subtracting fractions, always make sure to use a common denominator before performing the operation.

Learn how to subtract fractions by finding the least common denominator. This step-by-step guide shows how to simplify the expression 4/5 - 5/10, including the use of the LCD method to combine fractions. Suitable for students in Grades 4-6.

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