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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$7- (\frac{19}{40} + \frac{1}{3} )=7-( \frac{57+40}{120} )=7- \frac{97}{120} =6 \frac{23}{120}$