It is 9/19 = 0.47 approx.
21/9 = 19/9 so its reciprocal is 9/1921/9 = 19/9 so its reciprocal is 9/1921/9 = 19/9 so its reciprocal is 9/1921/9 = 19/9 so its reciprocal is 9/19
19+19+9 = 47
19/9
9 + 9 + (9/9) = 19
-19 - 9 = -28
9 out of 19 = 47.37%
19
The sum of 19 and 9 is 28.
19
9 - (-10) = 9 + 10 = 19
9 plus 10 = 19
Factors of 9: 1, 3, 9Factors of 19: 1, 19GCF (9, 19) = 1