What is 7 1/4 as a improper fraction

How do you use the elimination method for this question? explain, because i really want to understand!

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Zack notices that segment nm and segment pq are congruent in the image below: which step could him determine if δnmo ≅δpqr by sas? (5 points) segment mo ≅ segment qr segment on ≅ segment qp ∠ n ≅ ∠ r ∠ o ≅ ∠ q