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.
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**Fractions and Least Common Denominator**
**Objective:**
Rewrite the fractions \(\frac{8y}{9x^2}\) and \(\frac{3}{5xy}\) using the Least Common Denominator (LCD).
**Problem Statement:**
Write \(\frac{8y}{9x^2}\) and \(\frac{3}{5xy}\) in terms of their LCD.
**Steps:**
1. **Identify the Least Common Denominator:**
The denominators are \(9x^2\) and \(5xy\). Their LCD will be the least common multiple of these expressions.
2. **Rewrite Each Fraction Using the LCD:**
* \(\frac{8y}{9x^2} =\) [Enter equivalent fraction with LCD]
* \(\frac{3}{5xy} =\) [Enter equivalent fraction with LCD]
**Note:** If needed, refer to the "Read It" or "Watch It" sections for further explanations and examples.
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