Question

5-(2/5+5/14)
7-(19/40+1/3)
Срочно

Answer 1

$5-( frac{2}{5} + frac{5}{14} )=5-( frac{28+25}{70} )=5- frac{53}{70} =4 frac{17}{70}$
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$7- (frac{19}{40} + frac{1}{3} )=7-( frac{57+40}{120} )=7- frac{97}{120} =6 frac{23}{120}$