Question

rezolvati -79/12+133/30=?
dau coroana

Answer 1

-72:12+133:30= (-6) +4,43= -1,57

Answer 2

$- \frac{79}{12}+ \frac{133}{30} = \frac{30*(-79)}{12*30} + (\frac{133*12)}{12*30} = \frac{-2370+1596}{12*30} = \frac{774}{12*30} =129/60$