FRACTIONS

FRACTIONS

1. Meaning

   • Part of the unit
   • Quotient between two numbers
   • Operator of a number

2. Types

   • Proper: 2/3
   • Improper: 3/2
     • Mixed number: 1+(1/2)

3. Equivalent

   • Same cross-products
     • 2/3=14/21
   • Equalize denominators
     • LCM of denominators
   • Amplification/Simplification
   • Simplest form
     • GCD of denominators

4. Comparing

   • Same numerator
   • Same denominator
   • Unlike denominator and unlike numerator: LCM

5. Operations

   • Addition/Subtraction
     • Same denominator
     • Unlike denominator: LCM
   • Multiplication: In a line
   • Division: In a cross
   • Combined
     • Respect hierarchy