Subtract fractions and decimals QuickChek what is -18.1-5.

To subtract -18.1 and -5, you simply subtract the two numbers:

-18.1 - 5 = -23.1

To subtract -18.1 from -5, you can follow these steps:

1. Align the decimal points:
Place -18.1 below -5, making sure the decimal points are vertically aligned.

- 18.1
- 5
______

2. Subtract the numbers without decimals:
Ignore the decimals and subtract the whole numbers as you would normally. In this case, subtract 5 from 18.

- 18.1
- 5
______
-13

3. Subtract the numbers with decimals:
Subtract the numbers after the decimal point. In this case, subtract 0.1 from 0.

- 18.1
- 5
______
-13.1

So, -18.1 - 5 = -13.1.