What is subtraction algorithm? Subtraction algorithm is a way of subtracting one number from another. It’s like where you follow a few simple steps to get the right answer. Algorithm is a use of a combination of borrowing and subtracting to find the difference between two numbers. For example, we want to subtract 457 from 935. 5- 7 = -2 (borrow 10 from the tens place). 5 + 10 = 15, then subtract 7 = 8. 3 (tens place) – 5 (tens) =-2 (borrow 100 from the hundreds place), 3+10=13, then subtract 5 = 8. 9 – 4 = 5. So the answer is 478.
I enjoy how the subtraction algorithm helps me break down big numbers into smaller.