Answer:
7/4
Step-by-step explanation:
5/6 divided by 10/21,
get the reciprocal of 10/21
reciprocal of 10/21=21/10
now.
5/6 x 21/10
5 x 21= 105
6 x 10 = 60
so, 105/60
and the simplest form of 105/60 is 7/4