To solve \( \frac{4}{5} - 0.75 \), follow these steps:

1. Convert \( 0.75 \) into a fraction:
   \[
   0.75 = \frac{3}{4}
   \]

2. Find a common denominator between \( \frac{4}{5} \) and \( \frac{3}{4} \). The least common denominator (LCD) between 5 and 4 is 20.

   Convert each fraction:
   \[
   \frac{4}{5} = \frac{16}{20}, \quad \frac{3}{4} = \frac{15}{20}
   \]

3. Now subtract the two fractions:
   \[
   \frac{16}{20} - \frac{15}{20} = \frac{1}{20}
   \]

Thus, \( \frac{4}{5} - 0.75 = \frac{1}{20} \).

Let me know if you'd like further details or have any questions.

Here are 5 related questions:
1. How do you convert a decimal to a fraction?
2. How can you simplify fractions before adding or subtracting?
3. What is the least common denominator, and how is it useful?
4. How do you subtract two fractions with different denominators?
5. What other methods can be used to convert between decimals and fractions?

**Tip**: Always check if the fractions can be simplified after performing operations to make the result clearer.

Learn how to subtract fractions and decimals with the example of ⅘ - 0.75. This problem focuses on converting decimals to fractions, finding the least common denominator, and performing subtraction. Perfect for students in Grades 5-7.

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