What is the error and correction in finding the difference?

3/4 - 9/2 = 3 - 9/4 - 2 = (-6/2) = -3

1 answer

9 / 2 = 18 / 4

3 / 4 - 9 / 2 = 3 / 4 - 18 / 4 = - 15 / 4
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