Question

Which of the following fractions is not equivalent to 2/ 7 a = 4/14b = 4/21c = 6/21d = 8/28

Answer 1

to find the fraction that's not equivalent to 2/7, we know to know the quotient of each fraction and compare to find the odd one out

$\frac{2}{7}=0.285$

now let's check for each options

a =

$\frac{4}{17}=\frac{2}{7}=0.285$

b =

$\frac{4}{21}=0.190$

c =

$\frac{6}{21}=\frac{2}{7}=0.285$

d =

$\frac{8}{28}=\frac{2}{7}=0.285$

from the options given, the fraction that's not equivalent to 2/7 is 4/21 which is options B