Answer :
Notice that 9 and 8 do not have common factors because:
[tex]\begin{gathered} 9=3^2, \\ 8=2^3\text{.} \end{gathered}[/tex]Therefore the common denominator of 8/9 and 7/8 is:
[tex]9\cdot8=72.[/tex]Answer: 72.
Notice that 9 and 8 do not have common factors because:
[tex]\begin{gathered} 9=3^2, \\ 8=2^3\text{.} \end{gathered}[/tex]Therefore the common denominator of 8/9 and 7/8 is:
[tex]9\cdot8=72.[/tex]Answer: 72.