11/20 or 0.55
9/20
No.
No.
2 fourths times four fifths is 2 fifths.
six and three-fourths
4/5 minus 1/5 = 3/5
As a decimal: 0.05 As a fraction: 1/20
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).
two & four fifths
no
Yes, four fifths is 80% and three fourths would be 75%.
25