Question

\(\frac{3}{4}+\frac{5}{9}\)

\(\frac{9}{8}\times\frac{13}{17}\)

Answer 1

\(\frac{3}{4}+\frac{5}{9}=\frac{27}{36}+\frac{20}{36}=\frac{47}{36}\)

\(\frac{9}{8}\times\frac{13}{17}=\frac{117}{136}\)

Ủng hộ nhé ! ^^ 

Answer 2

\(\frac{3}{4}+\frac{5}{9}=\frac{27}{36}+\frac{20}{36}=\frac{47}{36},\frac{9}{8}x\frac{13}{17}=\frac{117}{136}.\)

...... 

bn có giỏi tiếng anh ko đố tớ đi

Answer 3

\(\frac{3}{4}+\frac{5}{9}=\frac{47}{36}\)

\(\frac{9}{8}x\frac{13}{17}=\frac{117}{136}\)

Answer 4

117/136

Answer 5

47/36

117/136

Answer 6

\(\frac{3}{4}+\frac{5}{9}=\frac{3.9}{4.9}+\frac{5.4}{9.4}=\frac{27}{36}+\frac{20}{36}=\frac{47}{36}\)

\(\frac{9}{8}.\frac{13}{17}=\frac{9.13}{8.17}=\frac{117}{136}\)