Question

$what \: should \: be \: added \: (\frac{ - 4}{15} + \frac{7}{10} )to \: mae \: \\ make \: it \: 1 \: \: \\ help this \: \: quetio{$
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Answer 1

Let the number to be added be x
So, x + (-4/15 + 7/10) = 1
x = 1 - (-4/15 + 7/10)
x = 1 - (-8/30 + 21/30)
x = 1 - (13/30)
x = 30/30 - 13/30
x = 17/30 answer

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