It seems like you have provided a set of mathematical expressions. I'll interpret and solve each part of the given expressions step-by-step:

1. **Expression:** \( 2 \)
2. **Expression:** \( \frac{3}{4} \cdot 5 \)
3. **Expression:** \( \frac{5}{7} \)

Let's solve each part:

### Step 1: Simplify the second expression
\[
\frac{3}{4} \cdot 5 = \frac{3 \cdot 5}{4} = \frac{15}{4} = 3.75
\]

### Step 2: Evaluate the third expression
\[
\frac{5}{7}
\]

### Combining all parts:
- The first part is simply \(2\).
- The second part simplifies to \(3.75\).
- The third part is \(\frac{5}{7}\).

### Overall Expression:
If we are meant to combine these in a specific way, such as addition or multiplication, please clarify. Here are some possibilities:

#### Sum of all parts:
\[
2 + 3.75 + \frac{5}{7} = 2 + 3.75 + 0.714285 \approx 6.464
\]

#### Product of all parts:
\[
2 \cdot 3.75 \cdot \frac{5}{7} = 7.5 \cdot \frac{5}{7} = \frac{37.5}{7} \approx 5.357
\]

Please confirm the intended operation or provide additional context for accurate calculation.

Would you like any further details or have any questions?

Here are some related questions to expand your understanding:

1. How do you convert fractions to decimals?
2. What are the steps for multiplying fractions?
3. How do you simplify fractions?
4. Can you provide examples of adding fractions with different denominators?
5. What is the process for converting mixed numbers to improper fractions?
6. How do you handle multiple operations with fractions in a single expression?
7. Can you explain the concept of reciprocal in fractions?
8. How do you approach solving fractional equations?

**Tip:** When working with fractions, ensure you simplify them whenever possible to make calculations easier.

Explore the solution to mathematical expressions involving fractions: 2, 3/4 * 5, and 5/7. Learn how to simplify fractions, convert fractions to decimals, and perform operations with fractions step-by-step. Suitable for a general audience interested in mathematical problem-solving.

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