### Home > CC2 > Chapter 9 > Lesson 9.1.1 > Problem 9-20

9-20.

Copy each problem. Then find the sum, difference, product, or quotient. Remember to show all of your steps. Homework Help ✎9‑20. 23.6 + 12

16.5 + 52.43

46.21 − 31.2

27.5 − 13.11

4.5(6)

55 ÷ 2

To add numbers with decimals remember to line up the decimal points.

35.6

See part (a).

To find the difference between numbers with decimals remember to line up the decimal points.

15.01

See part (c).

Remember, when you multiply numbers with decimals, you do not need to line up the decimal points.

Remember to add a decimal and zero. Fifty five divided by 2 is not a whole number.