Practice problem
Which of the following aren't equivalent to 12\frac{1}{2}21?
14\frac{1}{4}41
24\frac{2}{4}42
2244\frac{22}{44}4422
1122\frac{11}{22}2211
2144\frac{21}{44}4421
36\frac{3}{6}63
3266\frac{32}{66}6632
3264\frac{32}{64}6432
Type a concept, like “slope” or “photosynthesis”.