406/336 - 1/3 = 7/8
ủng hộ mik lên 0 điểm nha!
\(\frac{406}{336}-\frac{1}{3}=\frac{203}{168}-\frac{56}{168}=\frac{203-56}{168}=\frac{147}{168}\)
\(\frac{406}{336}-\frac{1}{3}=\frac{29}{24}-\frac{1}{3}=\frac{29}{24}-\frac{8}{24}=\frac{21}{24}=\frac{7}{8}\)