11/28
To add two fractions, you need to make the bottoms of both the same. One fourth is equal to 7/28, and 1/7 is equal to 4/28, so added they equal 11/28.
You could also ind the answer by converting both to decimals, and adding.
three fourths
Three-fourths is one-fourth plus one-fourth plus one-fourth.
3/28
one sixteenth
It is one fourth.
3 3/4
1/4 plus 1/4 plus 1/3 is = 0.833333
3 fourth
0.392857143
four seventh's (: xx <33
One fourth plus one half plus one half plus 1 is equal to 2.25 or 2 1/4
1/2 or 0.5