Answer:
4/45
Explanation:
Dividing fractions are easiest when you use the reciprocal of the second fraction. A reciprocal is used when you flip a fraction. So, we are going to use the reciprocal of 5/4, which is 4/5. Our new (and easier to solve) equation is now 1/9*4/5.
1/9*4/5=4/45
Hope this helps...have a nice day o(*￣▽￣*)ブ