Bright Chadwick
03/03/2024 · Primary School
How many parts would you divide each number into on a number line for the following problem: \( \frac{5}{3}-\frac{3}{12} \) ?
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Tutor-Verified Answer
Step-by-step Solution
To solve the problem \( \frac{5}{3} - \frac{3}{12} \), we first need to find a common denominator for the fractions involved.
1. **Identify the denominators**: The denominators are 3 and 12.
2. **Find the least common denominator (LCD)**: The least common multiple of 3 and 12 is 12.
3. **Convert \( \frac{5}{3} \) to have a denominator of 12**:
\[
\frac{5}{3} = \frac{5 \times 4}{3 \times 4} = \frac{20}{12}
\]
4. **Now we can rewrite the expression**:
\[
\frac{5}{3} - \frac{3}{12} = \frac{20}{12} - \frac{3}{12}
\]
5. **Subtract the fractions**:
\[
\frac{20}{12} - \frac{3}{12} = \frac{20 - 3}{12} = \frac{17}{12}
\]
Now, to answer the original question about how many parts to divide each number into on a number line, we can consider the denominators of the fractions involved.
- The first fraction \( \frac{5}{3} \) can be divided into 3 parts (since the denominator is 3).
- The second fraction \( \frac{3}{12} \) can be divided into 12 parts (since the denominator is 12).
Thus, when considering the number line for the operation \( \frac{5}{3} - \frac{3}{12} \), you would divide the number line into 12 parts to accommodate the fraction with the largest denominator, which is 12.
Therefore, you would divide the number line into **12 parts**.
Quick Answer
Divide the number line into 12 parts.
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