SOLUTION: how do I figure out the answer to this math problem -4 2/5 - 7 9/10.

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Question 835482: how do I figure out the answer to this math problem -4 2/5 - 7 9/10.
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
-4 2/5 - 7 9/10
This is the same as
-4 -7 -2/5 -9/10
Combine the wholes
-11 -2/5 -9/10
To add the fractions we need a common denominator which is 10
so -2/5 = -4/10
and
-11 -4/10 -9/10
-11 -13/10
-11 -10/10 -3/10
-11 -1 -3/10
-12 3/10