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We are asked to subtract the two fractions:  
\[
\frac{3}{4} - \frac{4}{7}
\]

### Step 1: Find the common denominator.
The denominators are 4 and 7. The least common denominator (LCD) is the least common multiple (LCM) of 4 and 7, which is 28.

### Step 2: Convert both fractions to have this common denominator.
- \(\frac{3}{4} = \frac{3 \times 7}{4 \times 7} = \frac{21}{28}\)
- \(\frac{4}{7} = \frac{4 \times 4}{7 \times 4} = \frac{16}{28}\)

### Step 3: Subtract the numerators.
Now subtract the numerators while keeping the denominator the same:
\[
\frac{21}{28} - \frac{16}{28} = \frac{21 - 16}{28} = \frac{5}{28}
\]

### Final Answer:
The result of \(\frac{3}{4} - \frac{4}{7}\) is \(\frac{5}{28}\), which is already in its simplest form.

Would you like any more details or clarifications?

Here are 5 related questions to expand your understanding:
1. How do you find the least common denominator of two fractions?
2. What is the process for simplifying fractions?
3. Can you add or subtract fractions with different denominators without finding the least common denominator?
4. How can you check if your answer is in the simplest form?
5. What are some strategies for subtracting mixed numbers?

**Tip:** Always simplify fractions by dividing both the numerator and the denominator by their greatest common divisor (GCD).

Subtract 3/4 - 4/7. Write your answer as a fraction in simplest form.

Learn how to subtract the fractions 3/4 - 4/7 with detailed steps. This guide explains finding the least common denominator and simplifying the result to its simplest form. Suitable for students in Grades 5-7.

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