27
21 over 27 is the same as 21 divided by 27:21/27 = 21 ÷ 27 = 0.777778
27 (-6) = 21
2 with remainder 21.
75
Twice with a remainder of 21
21 multiplied by 27 is 567.
1.2857
1, 3, 7, 9, 21, 27, 63, 189.
The factors of 21 are: 1, 3, 7, 21 The factors of 27 are: 1, 3, 9, 27
The answer to this can be found by dividing 21 by 27, which is about 0.777778. Multiply that by 100 to get a percent value, and you have "21 is about 77.7778% of 27"
It is: 7/9 of 27 = 21