ADD AND SUBTRACT MIXED NUMBERS

Add or subtract.Write the answer in simplest form.
[tex]1. \: 7 \frac{2}{5} \\ + 5 \frac{1}{55} [/tex]
[tex]2. \: 65 \frac{7}{10} \\ - 42 \frac{3}{10} [/tex]
[tex]3. \: 12 \frac{8}{9} \\ - 4 \frac{2}{9} [/tex]
[tex]4. \: 13 \frac{1}{4} \\ + 6 \frac{1}{4} [/tex]
[tex]5. \: 37 \frac{7}{12} \\ - 21 \frac{5}{12} [/tex]
[tex]6. \: 45 \frac{3}{12} \\ + 22 \frac{5}{12} [/tex]

​