6-9ths euqal = -3
0.1111 repeating
Yes
87 9ths in a mixed number = 92/3
3/9 of 1.80 is 0.6
1 9th = 2 18ths
0.5222
5/9ths of 3 = 5/9 * 3 = 0.555555556 * 3 = 1.666666667
79/9ths
3 and 4/9ths
32/9
4/9ths is bigger than 3/7ths because a common denominator is 63. 4/9ths=28/63rds and 3/7ths=27/63rds. 28/63rds is slightly bigger than 27/63rds so that means that 4/9ths is slightly larger than 3/7ths.