Subtract fractions and decimals QuickChek what is -189.9,87-30.87.
To subtract -189.9 from 87 and then subtract 30.87 from the result, you would perform the following calculations:
First, subtract -189.9 from 87:
87 - (-189.9) = 87 + 189.9 = 276.9
Next, subtract 30.87 from the result:
276.9 - 30.87 = 246.03
So, the result of subtracting -189.9 from 87 and then subtracting 30.87 is 246.03.
To subtract the decimal numbers -189.987 and 30.87 step-by-step, follow these instructions:
Step 1: Align the decimal points
-189.987
-30.87
Step 2: Subtract the numbers without considering the decimal point
189.987
- 30.870
Step 3: Line up the decimal point in the answer
189.987
- 30.870
---------
159.117
Step 4: Check the signs
The problem contains a negative number (-189.987), which means the answer will also be negative.
Therefore, the difference between -189.987 and 30.87 is -159.117.