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Last updated on May 26th, 2025

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50% as a decimal

Professor Greenline Explaining Math Concepts

It is a simple question on decimal conversion. Firstly, we have to learn percentages and decimals. A percentage represents a part of a whole out of 100. In this case, 50% represents 50 parts out of 100. A decimal is a way to represent a number that is not whole, using a (.) or a decimal point to separate the whole part from the fractional part. The numbers to the left of the decimal point represent the whole, and those to the right represent the fractional part.

50% as a decimal for Thai Students
Professor Greenline from BrightChamps

What is 50% as a decimal?

50 percent as a decimalAnswer

 

50% in decimal form can be written as 0.5. It is a terminating decimal, meaning it does not repeat infinitely.

 

Explanation

 

To convert 50% to a decimal, we will use the division method. Since a percentage is a fraction out of 100, 50% is equivalent to 50/100. Let's see the step-by-step breakdown of the process:

 

Step 1: Identify the percentage and recognize it as a fraction out of 100. Here, 50% is the same as 50/100.

 

Step 2: Simplify the fraction 50/100 by dividing both the numerator (50) and the denominator (100) by their greatest common divisor, which is 50. This gives us 1/2.

 

Step 3: Convert the fraction 1/2 to a decimal by dividing the numerator by the denominator.

 

Step 4: 1 divided by 2 equals 0.5.

 

The answer for 50% as a decimal will be 0.5.

Professor Greenline from BrightChamps

Important Glossaries for 50% as a decimal

  • Percentage: A ratio expressed as a fraction of 100, used to denote proportions.

 

  • Decimal: A number that uses the base ten and includes a decimal point to separate the whole part from the fractional part.

 

  • Terminating Decimal: A decimal that ends and does not repeat infinitely.

 

  • Fraction: A numerical quantity that is not a whole number, representing a part of a whole. 

 

  • Greatest Common Divisor: The largest positive integer that divides two or more integers without leaving a remainder.
Professor Greenline from BrightChamps

About BrightChamps in Thailand

At BrightChamps, math questions go beyond simple problems—they open the door to endless opportunities! Our goal is to help children throughout Thailand master important skills, such as today’s focus on the 50% as a decimal, with a special focus on decimal conversions—in a way that’s engaging, fun, and simple to follow. Whether your child is calculating the speed of a roller coaster at Dream World, tracking scores at a local football match, or managing their allowance to buy the latest gadgets, solid math skills give them the confidence to handle everyday tasks. Our lessons are designed to be interactive and enjoyable. Because children in Thailand have different learning styles, we customize our teaching to suit each one. From the busy streets of Bangkok to the tropical islands of Phuket, BrightChamps brings math to life, making it relatable and exciting across Thailand. Let’s make decimal conversions a fun part of every child’s math journey!
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