-171/9 = -19
171/630 = (19×9)/(70×9) = 19/70
171. (9 x 20 = 180 - 9 = 171).19 x 9 = 171
7/9
45/171 - 9/171 = 36/171
Yes. 171/9 = 19
7/11 + 9/7 = 148/77 or 171/77
The positive integer factors of 171 are: 1, 3, 9, 19, 57, 171
171 ÷ 9 = 19
9 x 19 = 171
34.7
-10
2/9 minus (negative 8/9) = 2/9 + 8/9 = 10/9