The simplest way is to line up the numbers so that their decimal points are aligned, and corresponding digits are also aligned according to their place value.
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The simplest way is to line up the numbers so that their decimal points are aligned, and corresponding digits are also aligned according to their place value.
Because when adding or subtracting, the operations must take account of the place values of individual digits in the numbers. When multiplying, only the overall order of magnitudes are relevant for placing the decimal point in the product.
You do a long division, adding decimal digits until you get a remainder of zero (terminating decimal) or a repeating pattern of decimal digits.
by adding or subtracting the values of the digits in the front place
The only way to do this is by adding a zero after the 2 digit in the decimal.