Deductions & credits

i would say 40% of the first loan + the $200 on the second loan. But whose name is on the 1098-MTGE. If it's you then 

  • Your housemate: Since they didn’t receive a Form 1098, they should list the amount of mortgage interest on Schedule A (Form 1040), line 8b, as “Home mortgage interest not reported to you on Form 1098.”
    • They must also include your name and address as the person who received the Form 1098 reporting the interest they paid.
    • If your housemate files a paper return, they should attach an explanation of how much interest each of you paid and print “See attached” next to line 8b.