5 Ways To Convert 1/5 To Decimal Form

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Understanding Decimal Conversions

Converting fractions to decimals is a fundamental skill in mathematics, and it's essential for various mathematical operations. One of the most common fractions that people struggle to convert is 1/5. In this article, we'll explore five ways to convert 1/5 to its decimal form, along with some practical examples and explanations.

Method 1: Long Division

Long division is a traditional method for converting fractions to decimals. To convert 1/5 using long division, follow these steps:

• Divide 1 by 5
• Write the result as a decimal

Using long division, you'll find that 1 ÷ 5 = 0.2. This means that 1/5 is equal to 0.2 in decimal form.

Method 2: Equivalent Ratios

Equivalent ratios are fractions that have the same value but different denominators. To convert 1/5 using equivalent ratios, find a fraction with a denominator that is a multiple of 10. For example:

• 1/5 = 2/10

Since 2/10 is equal to 0.2, you can conclude that 1/5 is also equal to 0.2.

Method 3: Fraction to Decimal Chart

A fraction to decimal chart is a handy tool that lists common fractions and their equivalent decimal values. To convert 1/5 using a fraction to decimal chart, simply look up the fraction and find its corresponding decimal value.

Using a fraction to decimal chart, you can quickly find that 1/5 is equal to 0.2.

Method 4: Calculator

In today's digital age, calculators are readily available on computers, smartphones, and even wristwatches. To convert 1/5 using a calculator, simply enter the fraction and press the equals button.

• Enter 1 ÷ 5
• Press the equals button
• Read the result as a decimal

Using a calculator, you'll find that 1 ÷ 5 = 0.2.

Method 5: Mental Math

Mental math is a valuable skill that can help you convert fractions to decimals quickly and accurately. To convert 1/5 using mental math, think of a fraction with a denominator that is a multiple of 10.

• Think of 2/10, which is equal to 0.2
• Realize that 1/5 is equal to 2/10
• Conclude that 1/5 is equal to 0.2

Using mental math, you can quickly convert 1/5 to its decimal form.

Practical Examples

Now that you've learned five ways to convert 1/5 to its decimal form, let's look at some practical examples:

• If a recipe calls for 1/5 cup of sugar, you can use 0.2 cups instead.
• If a car travels 1/5 of a mile in 1 second, you can calculate its speed as 0.2 miles per second.
• If a student scores 1/5 on a test, you can calculate their percentage score as 20%.

These examples demonstrate the importance of converting fractions to decimals in real-life situations.

Conclusion

Converting 1/5 to its decimal form is a fundamental skill that can be achieved using various methods. Whether you prefer long division, equivalent ratios, fraction to decimal charts, calculators, or mental math, there's a method that suits your needs. By mastering these methods, you'll become more confident in your ability to convert fractions to decimals and tackle more complex mathematical problems.

We hope you found this article informative and helpful. If you have any questions or comments, please don't hesitate to share them below.