Question

how do yu change a improper fraction into a mixed number then how how do you change it back

Answer 1

by example
\[\frac{17}{5}\] five goes in to 17 three times, remainder is 2 so as a mixed number it is
\[3\tfrac{2}{5}\]

Answer 2

i.e. divide. the whole number is the whole number part and the remainder gets put over the divisor.

Answer 3

changing back is easy
by example
\[7\tfrac{3}{5}=\frac{5\times 7+3}{5}=\frac{38}{5}\]

Answer 4

up top goes denominator times whole number plus numerator. in the bottom goes denominator