[tex]1.) \: 2/5 + 2/4 \: \small{\boxed{ = \frac{9}{10} }}[/tex]
[tex]2.) \: 2/3 - 2/5 \: \small{\boxed{ = \frac{4}{15} }}[/tex]
[tex]3.) \: 1/2 + 3/4 \: \small{\boxed{ = \frac{5}{4} }}[/tex]
[tex]4.) \: 1/2 + 1/4 + 4/6 \: \small{\boxed{ = \frac{17}{12} }}[/tex]
[tex]5.) \: 5/6 - 1/4 \: \small{\boxed{ = \frac{7}{12} }}[/tex]
[tex]6.) \: 1 1/3 + 3 1/2 \: \small{\boxed{ =4 \frac{5}{6} }}[/tex]
[tex]7.) \: 6 1/2 + 1 5/6 \: \small{\boxed{ = 8 \frac{1}{3} }}[/tex]
[tex]8.) \: 8 4/5 - 3 /4 \: \small{\boxed{ = 8 \frac{1}{20} }}[/tex]
[tex]9.) \: 8 2/5 - 3 2/3 \: \small{\boxed{ = 4 \frac{11}{15} }}[/tex]
[tex]10.) \: 4 3/4 - 1 1/2 \: \small{\boxed{ = 3 \frac{1}{4} }}[/tex]
