Practice problem
Select all of the following that are equivalent to 12\frac{1}{2}21.
714\frac{7}{14}147
1016\frac{10}{16}1610
1020\frac{10}{20}2010
816\frac{8}{16}168
47\frac{4}{7}74
Type a concept, like “slope” or “photosynthesis”.