# Binary Subtraction - Complete Tutorial | Computer Science Fundamentals
Today we are conquering binary subtraction! This step-by-step tutorial covers everything from basic 8-bit binary subtraction to advanced multi-column borrowing techniques. Learn the proper method for full exam marks - no converting to decimal shortcuts! We'll start with a denary subtraction review, then work through progressively challenging binary examples showing exactly how borrowing works in base 2.
Perfect for GCSE and A-Level Computer Science students. Don't forget to grab the FREE practice worksheet linked below and subscribe for more CS tutorials!
📄 *FREE Binary Subtraction Worksheet* : https://www.codeandconquer.org/page/comp_sys/pages/1.4%20-%20binary_subtraction.html
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*Chapters:*
00:00 - Introduction & Setup
00:48 - Denary Subtraction Review
02:10 - Binary vs Denary Borrowing
02:26 - First Binary Example
04:55 - Second Binary Example
06:18 - Third Binary Example (Advanced)
08:22 - Fourth Binary Example (Expert Level)
10:03 - Conclusion & Next Steps
