7/9 times 21/10 can become 7/3 times 7/10 which is 49/30 which is 1 19/30 at it's most reduced form since 19 is prime.
I cant see anything. It is too blurry.
Answer: 1/11 is the simplified form...
Hope this helps, stay safe :D
I wish i could help but i dont know the answer
