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### **Bài 5**: Match the fractions with the same result.

1. \( \frac{1}{2} + \frac{3}{10} \)
   - **Solution**: To add fractions, we need a common denominator. The least common denominator between 2 and 10 is 10:
     \[
     \frac{1}{2} = \frac{5}{10}, \quad \frac{1}{2} + \frac{3}{10} = \frac{5 + 3}{10} = \frac{8}{10} = \frac{4}{5}
     \]
   
2. \( \frac{2}{7} - \frac{3}{7} \)
   - **Solution**: Same denominator, so just subtract:
     \[
     \frac{2}{7} - \frac{3}{7} = \frac{-1}{7}
     \]
   
3. \( \frac{3}{4} \times \frac{1}{3} \)
   - **Solution**: Multiply the numerators and the denominators:
     \[
     \frac{3}{4} \times \frac{1}{3} = \frac{3 \times 1}{4 \times 3} = \frac{3}{12} = \frac{1}{4}
     \]

4. \( \frac{13}{15} - \frac{1}{5} \)
   - **Solution**: The least common denominator between 15 and 5 is 15:
     \[
     \frac{1}{5} = \frac{3}{15}, \quad \frac{13}{15} - \frac{3}{15} = \frac{13 - 3}{15

Solve the fraction exercises in Bài 5 and Bài 6 involving adding, subtracting, multiplying, and comparing fractions.

Learn how to solve fraction addition, subtraction, and multiplication exercises in Bài 5 and Bài 6. The exercises involve concepts like finding common denominators and performing arithmetic operations on fractions. Suitable for students in Grades 5-6.

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