Increase the following fraction by a factor of 8:89= \frac{8}{9}= 98=
Let's multiply both the numerator and denominator by 8 as follows:
8×89×8=6472 \frac{8\times8}{9\times8}=\frac{64}{72} 9×88×8=7264
6472 \frac{64}{72} 7264