SOLUTION: 28/42 - 2\5 =??

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Question 491520: 28/42 - 2\5 =??
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
FOR EASE OF OPERATION,
REDUCE 28/42 TO 2/3,
then find the common denominator
2/3-2/5=
10/15-6/15=4/15