A. add/subtrac.reduce the answer to simplest form:

1.[tex]\frac{2}{4} +\frac{3}{10}[/tex]

2.[tex]\frac{1}{4} +\frac{2}{3}[/tex]

3.[tex]3\frac{1}{4} +2\frac{7}{10}[/tex]

4.[tex]3\frac{1}{2} -1\frac{2}{3}[/tex]

5.[tex]\frac{6}{7} -\frac{2}{3}[/tex]

6.[tex]\frac{2}{3} +\frac{4}{7}[/tex]

plesssssss po answer