Fourths are further apart.
According to maths, two fifths is greater than five sixths.
Yes. If the numerators are the same, the larger the denominator the smaller the fraction is.
Yes.
two fifths is less than four sixths
Fractions greater than three fourths include four fifths, five sixths, six sevenths, seven eights, eight ninths, and infinitely many more others.
yes
It isn't.
1/30
Really, third is one of the few that do not end in S Fourths Fifths Sixths Etc... Half is the only other with out an S
15 twenty fourths and 20 twenty fourths