Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
![**Convert a Repeating Decimal to a Fraction**
Objective: Convert the repeating decimal \(0.\overline{83}\) to a fraction.
To solve this, follow these steps:
1. **Identify the repeating part**: The digits \(83\) repeat indefinitely.
2. **Set up an equation**:
Let \(x = 0.\overline{83}\).
3. **Multiply to remove the repeat**:
Multiply by 100 (since there are two repeating digits) to get:
\[
100x = 83.838383\ldots
\]
4. **Subtract to solve for \(x\)**:
Subtract the original \(x = 0.\overline{83}\):
\[
100x - x = 83.838383\ldots - 0.838383\ldots
\]
This simplifies to:
\[
99x = 83
\]
5. **Solve for \(x\)**:
\[
x = \frac{83}{99}
\]
Thus, the fraction form of \(0.\overline{83}\) is \(\frac{83}{99}\).
**Visual Representation:**
- The fraction is represented with two placeholders: [ ? ] over [ ]. The solution filled in would be:
\[
\frac{83}{99}
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