You line up the decimal points so that similar place values are lined up. it will be easier to add them.
Answer:
9.8
Step-by-step explanation:
-9.5 - -12 plus 7.3 = 9.8
Answer:
1 3/5
Step-by-step explanation: First you have to line the fractions up then you add what is under the 1 which is nothing then you add 2 and 4 and get 6 then you add 12 and 3 and get 15 then it can be simplified then you get 1 3/5
Answer:
40(x-10)
Step-by-step explanation:
486.12 as fraction is 12153/25
HOPE THIS HELPS