3/7 is already in the simplest term because there is no common factor between 3 and 7 unless it's a decimal, but we don't use decimals in fractions. So 3/7 simplified is just 3/7.

LuisMarzili285

[latex] \frac{3}{7} = \frac{3}{7} [/latex] it can't be simplified any further..so its already in its lowest form. :)