7/9 * 9/13. There is a 9 in the denominator (in 7/9) and in the numerator (in 9/13) so they cancel out, leaving you with just 7/13.
It is nine over seven.
144.44%
yes
6 over 13
+7/9, positive seven over nine.
1.857143
It is: 45/49
6 over 35
Thirteen over seven
one and six over seven
8/21
3/14 as a fraction, or 0.2142 as a decimal.