SOLUTION: Add & Subtract Mixed Number First estimate the answer. Then subtract to find the exact answer. 13(3/4)- (-2)(9/10)= Please help me!

Algebra ->  Expressions -> SOLUTION: Add & Subtract Mixed Number First estimate the answer. Then subtract to find the exact answer. 13(3/4)- (-2)(9/10)= Please help me!      Log On


   

Question 835995: Add & Subtract Mixed Number
First estimate the answer. Then subtract to find the exact answer.
13(3/4)- (-2)(9/10)=
Please help me!
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
13*(3/4) is about 9
2*(9/10) is about 2
9+2 is 11
39/4+18/10
9.75+1.8
11.55