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Last updated on November 19, 2025

4.45 as a Mixed Number

Professor Greenline Explaining Math Concepts

The number 4.45 is an example of a decimal number, which can be expressed as a mixed number, consisting of a whole number and a proper fraction. This conversion makes the number easier to understand or utilize in various mathematical contexts. Let's convert 4.45 into a mixed number to comprehend how many whole parts there are and what fraction remains.

Professor Greenline from BrightChamps

What is 4.45 as a mixed number:

Answer: In mixed number form, 4.45 is written as 4 9/20

 

Explanation: To convert a decimal to a mixed number, first identify the whole number part, which is the integer part of the decimal. Here, the whole number is 4. Then, convert the decimal part to a fraction. The decimal 0.45 can be expressed as 45/100.

 

Simplify the fraction by dividing both numerator and denominator by their greatest common divisor, which is 5.

 

So, 45/100 simplifies to 9/20. Whole number = 4 Fraction = 9/20 Thus, 4.45 = 4 9/20

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Professor Greenline from BrightChamps

Important Glossary for 4.45 as a Mixed Number

  • Decimal number: A number that includes a decimal point followed by digits representing fractions of ten.

 

  • Mixed number: A number consisting of an integer and a proper fraction, for example, 2 ⅔, 4 9/20.

 

  • Proper fraction: A type of fraction in which the numerator is smaller than the denominator, for example, ⅓, ⅖.

 

  • Simplify: The process of reducing a fraction to its simplest form by dividing its numerator and denominator by their greatest common divisor.

 

  • Greatest common divisor (GCD): The largest positive integer that divides each of the integers without a remainder, used to simplify fractions.
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