Question

Which can not be written as an equivalent improper fraction?

five-thirds

three-fourths

three and five-sixths

twelve-eighths

Answer 1

Think about it. Do you know what an improper fraction is?

Answer 2

\[\frac{ 5 }{ 3 } \frac{ 3 }{ 4 } 3\frac{ 5 }{ 6 } or \frac{ 23 }{ 6 }\]\[\frac{ 12 }{ 8 } \]
Of all these which one is not an improper fraction?

Answer 3

thanks @NathanB