If $a=4/5$ and $b=3/5$ , what is $23-(a+b)$ ?

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Answer 1 · 2016-08-12T00:05:16

$21 3/5$

$a + b = 4/5 + 3/5 = 7/5 =1 2/5$

Substitute the given values for $a and b$

$23 - (4/5+3/5) = 23 -1 2/5$

$23-1 -2/5 = 22-2/5$

$21 3/5$

If a=4/5a=4/5 and b=3/5b=3/5, what is 23-(a+b)23-(a+b)?