0
Why do we have to line up the decimal points when we subtract 1.7-85?
Wiki User
∙ 11y ago
86.7
Marques Hyatt
Add your answer:
Earn +20 pts
How do you solve 2.5 - 1.2?
You line up the decimal points and subtract, and carry the decimal point down to the same position in your answer: 1.3
Why do you line up the decimal points when adding and subtracting?
you have to line up the decimal points because you need to keep each place value in the same column so when you add or subtract you wont make any errors
How do you find the difference between two numbers with decimals?
Line up the decimal points and then subtract one from the other.
Do you have to line up the decimals when you subtract?
Line up the numbers in such a way that the decimal points are aligned. . Example: 567.89 - 23.4 567.89 - 23.4 ===== 544.49
How do you subtract 0.5 from 0.05 how do you work it out it?
To subtract 0.5 from 0.05 first line up the decimal points in your equation. If you need to add a zero behind the 5 in 0.5 so you get 0.50. Then subtract as if there was no decimal point (take it as 50-5). After you subtract bring the decimal point down. You should end up with 0.45.
What is the difference between 0.99 and 1.00 in money?
It's 0.01 Line up the decimal points and subtract: 1.00 0.99 - -------- 0.01
How do you subtract 500-0.9?
500.9
Explain why it is important to line up decimal numbers by their place value when you add or subtract them?
explain why it is important to line up decimal numbers by their place value when you add or subtract them
Why do you need to line up the decimal points when subtracting?
It is not a matter of aligning the decimal points, but aligning the place value columns so that the ones are under each other, the tens are under each other, the tenths are under each other, etc which is the proper way to subtract. As the decimal points are between the ones and tenths columns, with those place value columns aligned, the decimal points are aligned.Aligning the decimal points is an easy way to remember to align the place value columns, as with the decimal points aligned all the place value columns are automatically aligned.
Do you line up decimal points when multiplyig?
Unlike addition, there is no need to line up the decimal points. Just multiply ignoring the decimal points. When you are done, move the decimal point of the result to the left equal to the number of digits after the decimal point for both multiplicands.
How do you add or subtract decimals?
how do we add or subtract decimal? its the same thing as using regular subraction and addition. Example: 12.4 +8.1 ______ =20.5 The same in subtraction! Just keep the decimals alligned!
When adding and subtracting decimalshow can you be sure to add or subtract only digits that have the same place value?
You line the number up, vertically, so that the decimal points are one below the other.
