9/4 x 31/9 = 7 3/4 or 7.75
31 ÷ 9 = 3 remainder 4
31 ÷ 9 = 3 remainder 4
31/9 = 3 and 4/9
31
4/9 times 11/4 is 44/36. That is the same as 12/9.
31
The sum of 3/4 and 1/9 is 31/36
4/5 − 1/9 = 31/45
42/9 * 4/5
34/9 = 3 and 4 9ths
40/9 = 4 4/9 times. That is, 4 times with 4 left over.