Final answer:
To rewrite 1/5 with the denominator 10, multiply both the numerator and the denominator by 2, which results in the fraction 2/10.
Step-by-step explanation:
To rewrite the fraction 1/5 with a denominator of 10, you must find a number that you can multiply both the numerator and the denominator by to reach the new denominator. Since 5 times 2 equals 10, you'll use the number 2 for this conversion. Multiply both the numerator (1) and the denominator (5) of the fraction 1/5 by 2.
Here's the step-by-step process:
- Multiply the numerator (1) by 2: 1 × 2 = 2.
- Multiply the denominator (5) by 2: 5 × 2 = 10.
- Write the new fraction with the multiplied numerator and denominator: 2/10.
- The correctly rewritten fraction with a denominator of 10 is 2/10, which corresponds to option A.