4/9 x 3/4 = 12/36 = 2/6= 1/3 is the answer if you meant "what is four ninths times three fourths"
one and three fourths equals seven fourths. seven fourths times seven fourths is forty nine over sixteen (3 and 1/16)
If the whole number is twelve, three fourths? No, nine tenths of twelve would not be a complete fraction. Eighteen twentieths would equal nine tenths, or 90 percent if you're looking for a metric answer.
3/4 divided by 9/10 is 0.83333 . . .
15/4 x 39/4 = 585/16 or 36 and 9/16
It is nineteen and three fifths.
21.6 of them.
There are 16 3/4s. There are 16 ...three fourths
There are nine inches in three fourths of a foot.
9/4 or 2.25 or nine fourths or