Subtract the numbers.

 

8.7
- 7.1

 7.5
-  5.3

9.6
- 7

4.8
- 4.1

 

 

8.6
- 7

 9.3
-  7.2

8.2
- 2.1

9.2
- 3.2

 

 

4.29
- 1.26

8.45
-  3.98

7.11
- 6.93

8.21
- 1.91

 

 

8.49
- 2.29

4.15
- 2.9

9.86
- 8.98

6.71
- 5.7

 

 

9.774
+ 3.684

 5.545
+  2.497

4.448
+ 3.786

7.975
+ 4.427

 

 

4.478
- 3.67

 3.519
-  1.49

7.843
- 1.882

7.967
- 1.741