Question

очень срочно 2/3-2/5+1/4=

Answer 1

$frac{2}{3} - frac{2}{5} + frac{1}{4}$


$frac{40 - 24 + 15}{60}$


$frac{31}{60}$

Answer 2

1) 10/15 - 6/15 = 4/15

2) 16/60 + 15/60 = 31/60

Ответ: 31/60.