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Math Fractions

Fractions represent parts of a whole, consisting of a numerator and a denominator. They can be classified as proper, improper, or mixed numbers, and various operations such as addition, subtraction, multiplication, and division can be performed on them. Fractions are commonly used in everyday activities like cooking, measuring, and handling money.

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14 views1 page

Math Fractions

Fractions represent parts of a whole, consisting of a numerator and a denominator. They can be classified as proper, improper, or mixed numbers, and various operations such as addition, subtraction, multiplication, and division can be performed on them. Fractions are commonly used in everyday activities like cooking, measuring, and handling money.

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avishajain2013
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Math Notes: Fractions

A fraction is a way to represent part of a whole. It is written as one number over another:
- Numerator: The top number, showing how many parts are taken.
- Denominator: The bottom number, showing how many total parts exist.

Examples:
- 1/2 means one out of two equal parts.
- 3/4 means three out of four equal parts.

Types of Fractions:
- Proper fraction: numerator < denominator (e.g., 3/5).
- Improper fraction: numerator > denominator (e.g., 7/4).
- Mixed number: whole number and fraction combined (e.g., 2 ½).

Operations with Fractions:


- Addition: If denominators are the same, add numerators (e.g., 2/5 + 1/5 = 3/5).
- Subtraction: Same denominator rule (e.g., 5/8 - 3/8 = 2/8 = 1/4).
- Multiplication: Multiply numerators together and denominators together (e.g., 2/3 × 4/5 =
8/15).
- Division: Multiply the first fraction by the reciprocal of the second (e.g., 3/4 ÷ 2/5 = 3/4 ×
5/2 = 15/8).

Fractions are used in everyday life for cooking, measuring, time, and money.

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