Sum=add. difference=subtract (I'm just answering so you don't waste points)
here help u 3/5
Step-by-step explanation: u want see my work?
Answer:

and

Step-by-step explanation:
First make all the fractions into improper fractions

After doing that put them back into the problems
Problem 1)
÷
, plug in the improper fractions
÷
to divide, you need to flip the second fraction and multiply
·
=
then reduce

Problem 2)
÷
Plug in improper fraction
÷
Then flip second fraction and multiply
·
Multiply
Reduce, or make it a mixed number

10, 15, 20, 25, 30.... and so on
Answer:
-(400/9)
Step-by-step explanation:
-44(4/9)
answer A