2 and 3/4 you multiply 2 and 4 and add 3. 11/4 The next fraction you multiply 1 and 4 and add 3. 7/14 Put your two answers on top of two seperate /4 add the answers. You will get in the end 18/4 but... you can divide and you get 4/5. Rate me thank me make me braileist answer thank you.