Answer:
0.00118063754
is right...
Step-by-step explanation:
11+13+7-1=30
I think this is answer
❤️
-8 3/8 = -8 15/40
-12 4/5 = -12 32/40 ,because you had to get a common denominator.
Since you are subtracting from a negative the negative turns into a positive.
-8 15/40 + 12 32/40 = 4 17/40
