63/8 = 77/8
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As a mixed number 8.4 would equal 8 and 2/5. As an improper fraction, 8.4 would equal 42/5.
By changing the mixed number into an improper fraction.
Yes, it can. In fact every mixed number has an equivalent improper fraction.
If the mixed number is x y/z then the improper fraction is (xz + y)/z
An improper fraction equivalent to the mixed number 53/4 is 23/4