SOLUTION: 3) Perform the indicated operation; write answer in simplest form: 4/5 � 12/20 and 4) Perform the indicated operation; write answer in simplest form: 2.5 + 1.05 + 3.105

Question 246728: 3) Perform the indicated operation; write answer in simplest form:
4/5 � 12/20
and
4) Perform the indicated operation; write answer in simplest form:
2.5 + 1.05 + 3.105

Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
4/5 � 12/20
(4/5)*(20/12)
1/1*4/3=4/3
2.5 + 1.05 + 3.105
make believe you are adding dollars and cents
add zeroes to fill out zeroes after a decimal add nothing (0)
2.500
1.050
3.105
here you don't even have to carry just keep the sums in the right column

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