Question

$\frac{49}{80} + \frac{ 15}{16} + \frac{11}{32}$
$\frac{17}{24 } + \frac{14}{15} + \frac{19}{45}$
2. Вычислите ​

Answer 1

(49*2 + 15*10 + 11*5) / 160 = 303/160 = 1 143/160

(17*15 + 14*24 + 19*8) / 360 = (255 + 336 + 152) / 360 = 643/360 = 1 283/360