Question

[Nguyễn Hoài Chi (4A4)]

C) 15/9 + 3/8 : 4/7                      D) 5 × 19/23 + 2/4

Answer 1

[﹏✍₦ØØ₦λ╰︿╯]

C) \(\frac{15}{9}\)+ \(\frac{3}{8}\):\(\frac{4}{7}\)= \(\frac{15}{9}\)+ \(\frac{21}{32}\)= \(\frac{669}{228}\)

D) 5 x \(\frac{19}{23}\)+ \(\frac{2}{4}\)= \(\frac{5}{1}\)x\(\frac{19}{23}\)+\(\frac{2}{4}\)= \(\frac{95}{23}\)+\(\frac{2}{4}\)=\(\frac{426}{92}\)