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Last updated on November 19, 2025

-1.64 as a Mixed Number

Professor Greenline Explaining Math Concepts

The number -1.64 can be expressed as a mixed number, which includes a whole number and a proper fraction. Mixed numbers are often used to represent values that have both a whole and a fractional component, making them easier to understand or use in everyday life. Let's convert -1.64 into a mixed number to identify the whole number part and the fractional part that remains.

Professor Greenline from BrightChamps

What is -1.64 as a mixed number:

Answer: In mixed number form, -1.64 is written as -1 16/25

 

Explanation: To convert a decimal to a mixed number, first separate the whole number part from the fractional part.

 

Here, the whole number part is -1, and the fractional part is 0.64.

 

Convert the fractional part to a fraction: 0.64 can be written as 64/100.

 

Simplify 64/100 to get 16/25.

 

Thus, -1.64 = -1 16/25.

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Professor Greenline from BrightChamps

Important Glossary for -1.64 as a Mixed Number

 

  • Decimal: A numerical representation that uses a decimal point to show a whole number and fractional part, like 1.75 or -1.64.

 

  • Fraction: A part of a whole expressed using a numerator and a denominator, for example, ¾ or 16/25.

 

  • Proper fraction: A type of fraction where the numerator is smaller than the denominator, such as ⅓ or ⅖.

 

  • Simplification: The process of reducing a fraction to its simplest form, where the numerator and denominator have no common factors other than 1.
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