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Let's solve this step-by-step. The problem is:

\[
\frac{3}{8} + \frac{1}{8} - \frac{1}{6} + \frac{1}{4}
\]

### Step 1: Combine Terms with Common Denominators

1. First, add \(\frac{3}{8}\) and \(\frac{1}{8}\), as they have the same denominator:
   \[
   \frac{3}{8} + \frac{1}{8} = \frac{4}{8} = \frac{1}{2}
   \]

2. Now we have:
   \[
   \frac{1}{2} - \frac{1}{6} + \frac{1}{4}
   \]

### Step 2: Find a Common Denominator

The denominators here are \(2\), \(6\), and \(4\). The least common multiple of these numbers is \(12\).

Convert each fraction to have a denominator of \(12\):

- \(\frac{1}{2} = \frac{6}{12}\)
- \(\frac{1}{6} = \frac{2}{12}\)
- \(\frac{1}{4} = \frac{3}{12}\)

### Step 3: Substitute and Simplify

Now the expression becomes:
\[
\frac{6}{12} - \frac{2}{12} + \frac{3}{12}
\]

Combine the fractions:
\[
\frac{6 - 2 + 3}{12} = \frac{7}{12}
\]

### Answer

The answer is:
\[
\frac{7}{12}
\]

So, the correct option is:
**\( \frac{7}{12} \)**.

Would you like more details or have any questions?

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Here are five related questions for further practice:

1. How do you find the least common multiple of three numbers?
2. What are the steps to combine fractions with different denominators?
3. How do you simplify a fraction once it's combined?
4. Why is finding a common denominator important in adding and subtracting fractions?
5. How do you know which operations to perform first when fractions are combined with addition and subtraction?

**Tip:** Always check if fractions can be simplified further after combining them.

What is \( \frac{3}{8} + \frac{1}{8} - \frac{1}{6} + \frac{1}{4} \) equal to?

Solve the fraction problem 3/8 + 1/8 - 1/6 + 1/4 with a detailed step-by-step solution, including finding a common denominator and combining terms. Suitable for Grades 5-7 students learning about fraction operations.

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