Yes, four fifths is 80% and three fourths would be 75%.
No.
Yes.
0.9083333
four fifths
no because 5 fourths is also equivalent to 5.25 and 4 fifths is also equivalent to 0.8. In addition to this, 5 fourths is also 5 pieces out of your pieces (which is greater than one) and 4 fifths is four pieces out of five pieces (which is less than one, also fifths are smaller than fourths).
No.
No.
four fifths is bigger
25
2 fourths times four fifths is 2 fifths.
1 7/20
4/6
Yes.
16 11/20
six and eleven twentieths
yes
To compare the two fractions, we need to have a common denominator. In this case, the common denominator would be 20. Converting four fifths to 16/20 and three fourths to 15/20, we can see that 16/20 is indeed greater than 15/20. Therefore, four fifths is greater than three fourths.