make same denomenator
denomenators are 2,4, and 8
common denomenator is 8
[tex]1 \space\ and \space\ \frac{1}{2}+\frac{3}[4}+\frac{1}{8}[/tex]
[tex]1+\frac{1}{2}+\frac{3}[4}+\frac{1}{8}[/tex]
mulltiply 1/2 by 4/4, multiply 3/4 by 2/2
[tex]1+\frac{4}{8}+\frac{6}{8}+\frac{1}{8}=[/tex]
[tex]1+\frac{11}{8}=[/tex]
[tex]1+\frac{8}{8}+\frac{3}{8}=[/tex]
[tex]1+1+\frac{3}{8}=[/tex]
[tex]2+\frac{3}{8}=[/tex]
[tex]2 \space\ and \space \frac{3}{8}[/tex]
a. 2 and 3/8 cups
b. you would need more than 2 and 3/8 cups, so you could use the 3 cup or 4 cup bowl (I prefer more space so I would pick the 4 cup one, personal prefernce)