Convert -9.79 into a mixed number.
Understand the Problem
The question asks to convert the decimal -9.79 into a mixed number. A mixed number consists of a whole number and a proper fraction. We need to separate the whole number part and convert the decimal part into a fraction.
Answer
$-9\frac{79}{100}$
Answer for screen readers
$-9\frac{79}{100}$
Steps to Solve
- Identify the whole number part
The whole number part of -9.79 is -9.
- Isolate the decimal part
The decimal part of -9.79 is -0.79. We want to express 0.79 as a fraction.
- Convert the decimal to a fraction
To convert 0.79 to a fraction, we can write it as $\frac{79}{100}$.
- Combine the whole number and the fraction
Combine the whole number $-9$ and the fraction $-\frac{79}{100}$ to form the mixed number $-9\frac{79}{100}$.
$-9\frac{79}{100}$
More Information
A mixed number is a number consisting of an integer and a proper fraction. In this case, -9 is the integer part and $\frac{79}{100}$ is the proper fraction part.
Tips
A common mistake is to forget the negative sign. The original number is negative, so the mixed number must also be negative. Another mistake is incorrectly converting the decimal portion into a fraction, for example $\frac{79}{10}$.
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