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