1/2 Times 21: Solving the Mathematical Problem
Are you struggling to solve the mathematical problem of 1/2 times 21? Don't worry, we've got you covered! In this article, we'll break down the step-by-step process to help you arrive at the correct answer.
What does 1/2 mean in mathematics?
Before we dive into the problem, let's quickly review what 1/2 means in mathematics. The symbol 1/2 is a fraction, which represents one half. It's a way to express a part of a whole, where the top number (numerator) is 1 and the bottom number (denominator) is 2.
Multiplying 1/2 by 21
Now, let's tackle the problem at hand: 1/2 times 21. To solve this, we need to multiply the fraction 1/2 by the whole number 21.
Step-by-Step Solution
Step 1: Multiply the numerator by 21
Take the numerator (1) and multiply it by 21:
1 × 21 = 21
Step 2: Keep the denominator the same
The denominator remains the same, which is 2.
Step 3: Write the answer as a fraction
Now, write the answer as a fraction:
21/2
Step 4: Simplify the fraction (optional)
If you want to simplify the fraction, you can divide both the numerator and denominator by their greatest common divisor (GCD). In this case, the GCD is 1, so the fraction remains the same:
21/2
Answer
The answer to 1/2 times 21 is 21/2.
Equivalent Decimal Value
If you want to express the answer as a decimal, you can divide the numerator by the denominator:
21 ÷ 2 = 10.5
So, 1/2 times 21 is also equal to 10.5.
Conclusion
In conclusion, solving the problem of 1/2 times 21 is a straightforward process that involves multiplying the fraction by the whole number and simplifying the answer. We hope this article has helped you understand the concept better and arrive at the correct answer.
