Answer: THIS IS NOT PLAGIARISM, because the student has acknowledged the source of it's knowledge in it's literature work, making it more easier for anyone to consult it's source and read further for a deeper knowledge.
Explanation: plagiarism is the use of ones literature work to build your own literature work without acknowledging the person's work. In it's simplest term, It is the theft of knowledge. When you have acknowledged the source of your knowledge, it won't be called plagiarism, because we have the right to the literature work, to guild us on a topic.
Because they want to be the best at every thing but both are good
Convert to improper fraction (multiply whole number by denominator and add numerator, keep the denominator)
5 1/4 = 21/4
4 1/2 = 9/2
Multiply 9/2 by 2/2 to get the same denominator = 18/4
Subtract the numerators, keep the denominator.
21/4-18/4 = 3/4.