1. Addition: Tail Method, Higher Stacking Method, Peak Filling Method, Rounding Method

Tail Method: Last Two to Determine (Feel Safe)

Higher Stacking:

Rounding Method:

Peak Filling Method:

2. Subtraction: Integer Basis Method, Segmentation Method

Integer Basis Method

3. Multiplication: Interchange of fractions, multiplication and splitting

4. Division: Splitting

4.