Basic Concepts
In a nutshell: Master moving between fractions, decimals, and percents to solve a wide range of problems.
## Comparing and Converting
Fractions, decimals, and percents all represent parts of a whole, but in different ways. It's super helpful to know how to convert between them!
- **Fraction to Decimal:** Divide the top number (numerator) by the bottom number (denominator).
- **Decimal to Percent:** Move the decimal point two places to the right, then add a percent sign.
- **Percent to Fraction:** Write the percent over 100 and simplify.
## Operations
You can add, subtract, multiply, and divide these forms once you know how to convert them. Always remember to find common denominators for adding or subtracting fractions.
## Real-Life Relevance
This knowledge is everywhere, from shopping sales to splitting a pizza!
Examples
- Convert 0.75 to a fraction and a percent.
- If 30% of a class has blue eyes and there are 40 students, how many have blue eyes?