Two decimals whose sum is 5 are 2.5 and 2.5. When you add 2.5 and 2.5 together, you get 5. This is because in decimal addition, you add the digits in each place value column from right to left, carrying over when necessary.
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When the fractional parts, if any, of the two decimal numbers sum to 1.
This will happen if the fractional parts of the numbers sum to 1.
The sum of two decimal numbers greater than 0.5 will always be greater than 1
0.25+0.27
The sum of two numbers is the result given when the two numbers are added together. For example, the sum of 2 and 3 is 5.