2/5 + 3/4 - 1/2 equals
8/20 + 15/20 - 10/20 which adds up to 8/20
This equals 4/5
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2 minus 2/5 plus 1/2 minus 4 = -1.9
2/x + 5
4
The answer is 0.
"x" would equal 1 because 7/1 is 7 minus 2 equals 5 and 3/1 is 3 plus or + 2 is 5.