( 12,375 - 10,55 ) : ( 7/12 + 94/15 )
= 1,825 : 6,85
= 0.2664
(12,375 - 10,55) : (\(\dfrac{7}{12}+\dfrac{94}{15}\))
= \(\dfrac{73}{40}\): \(\left(\dfrac{35}{60}+\dfrac{376}{60}\right)\)=\(\dfrac{73}{40}:\dfrac{411}{60}\)=\(\dfrac{73}{40}.\dfrac{60}{411}\)=\(\dfrac{73}{2}.\dfrac{3}{411}\)=\(\dfrac{219}{822}\)=\(\dfrac{73}{274}\)