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Last updated on November 19, 2025

-1.5 as a Mixed Number

Professor Greenline Explaining Math Concepts

The number -1.5 is an example of a negative decimal. To convert this decimal into a mixed number, we need to express it as a whole number and a fraction. This makes it easier to understand or use in various mathematical contexts. Let's convert -1.5 into a mixed number to see how many whole parts and what fraction remains.

Professor Greenline from BrightChamps

What is -1.5 as a mixed number:

Answer: In mixed number form, -1.5 is written as -1 1/2

 

Explanation: When converting a decimal to a mixed number, first identify the whole number and the decimal part. Here, the whole number is -1 and the decimal part is 0.5.

 

The fraction equivalent of 0.5 is 1/2. So, -1.5 = -1 1/2

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Professor Greenline from BrightChamps

Important Glossary for -1.5 as a Mixed Number

  • Negative decimal: A decimal number less than zero, for example, -1.5, -2.75.

 

 

  • Fraction: A numerical quantity that is not a whole number, representing a part of a whole, for example, 1/2, 3/4.

 

  • Decimal: A fraction expressed in a special form using powers of ten, for example, 0.5, 0.75.

 

  • Whole number: An integer that does not contain a decimal value or a fraction.
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