Add and Subtract Decimals

In a whole number, the invisible decimal is left of the first digit in the whole number.  

• true
• false

25.66 + 4.251=

• 6.817
• 29.911
• 29.921
• 9.911

3.3 + 2.22=

• 5.52
• 5.55
• 5.77
• 5.4

5.49 + 0.5=

• 4.54
• 5.54
• 5.99
• 5.9

91 + 7.6=

• 98.6
• 98.15
• 99.10
• 16.7

4.2 + 7.98=

• 11.18
• 8.40
• 12.19
• 12.18

7 - 4.3=

• 2.7
• 4.4
• 3.1
• 2.1

36.7 - 12.33=

• 14.43
• 8.66
• 24.37
• 14.47

15.07 - 12.2=

• 2.87
• 1.87
• 3.87
• 0.85

8.4 - 3.03=

• 5.31
• 5.37
• 5.43
• 21.9