Let's calculate the difference between \( \frac{1}{2} \) and \( \frac{7}{10} \).

We need to get a common denominator for the fractions:

- The least common denominator (LCD) between 2 and 10 is 10.
- We convert \( \frac{1}{2} \) into a fraction with 10 as the denominator:  
  \[
  \frac{1}{2} = \frac{5}{10}
  \]
  
Now we subtract:
\[
\frac{5}{10} - \frac{7}{10} = \frac{5 - 7}{10} = \frac{-2}{10} = -\frac{1}{5}
\]

Thus, the result is:
\[
\frac{1}{2} - \frac{7}{10} = -\frac{1}{5}
\]

Would you like more details on this or have any questions?

### Related Questions:
1. What is the result of \( \frac{3}{4} - \frac{5}{8} \)?
2. How do you subtract fractions with different denominators?
3. What is \( \frac{2}{3} - \frac{1}{4} \)?
4. How do you simplify \( \frac{-6}{12} \)?
5. What are the steps for subtracting mixed numbers?

### Tip:
When subtracting fractions, always find the least common denominator to make the calculation easier.

Learn how to subtract fractions with different denominators by finding the least common denominator (LCD). This example walks through the steps of calculating 1/2 - 7/10, including converting fractions and simplifying. Ideal for students in Grades 5-7.

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