Find the difference

[tex]1. \: 3 \frac{1}{7} - \frac{2}{7} [/tex]
[tex]2. \: 3 \frac{3}{12} - \frac{7}{12} [/tex]
[tex]3. \: 1 \frac{3}{8} - \frac{5}{8} [/tex]
[tex]4. \: 2 \frac{10}{15} - \frac{12}{15} [/tex]
[tex]5. \: 12 \frac{88}{100} - \frac{94}{100} [/tex]
[tex]6. \: 19 \frac{37}{50} - \frac{45}{50} [/tex]
pa answer​