Astrid biked 6 3/4 miles today, and Dujuan biked 4 1/2. How many times the length of Dujuan's bike ride was Astrid's bike ride? *

This is different from the first one can someone me

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

Find the least common denominator for thesetvo rational expressions.n^2/n^2+4n+4 -3/n^2+7n+10