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 x 10 in 190
19+19+9 = 47
19/9
9 + 9 + (9/9) = 19
It is 9/19 = 0.47 approx.
9 out of 19 = 47.37%
-19 - 9 = -28
19
9
19
The sum of 19 and 9 is 28.