Answer: The answer is 1.44
Explanation:
0.64 + 4/5...
1.) Convert your fraction to a decimal by dividing 5 into 4, this will give you 0.8.
2.) Add 0.64 and 0.8 together. (Make sure you line the decimals up)
It should look like this : 0.64
+0.80
____
3.) After you add them together, it equals out to 1.44