4/9 times 11/4 is 44/36. That is the same as 12/9.
42/9 * 4/5
40/9 = 4 4/9 times. That is, 4 times with 4 left over.
9/4 x 31/9 = 7 3/4 or 7.75
4 multiplied by 1/9 = 4/9
It is: 5/9 times 4 = 2 and 2/9 as a mixed number
9/10
It is: 33/8 times 4/9 = 11/6 in its lowest terms
2/3 * 4/4/9 = 2/3 * 1/9 = 2/27
9/16
.234
2/9 × 4/15 = 8/135