Question

3/9 + 4/8=

Answer 1

3/9 + 4/8 = 5/6

Answer 2

3/9 + 4/8= 24 / 72 + 36 / 72 =60 / 72 =5/6

Answer 3

3/9 +4/8= 60/72 = 15/18 = 5/6

Answer 4

3/9 + 4/8 = 5/6

k mk nha bạn

Answer 5

\(\frac{3}{9}+\frac{4}{8}=\frac{5}{6}\)

k mk nha !

Answer 6

\(\frac{3}{9}+\frac{4}{8}=\frac{5}{6}\)

Answer 7

\(\frac{3}{9}+\frac{4}{8}=\frac{5}{6}\)

Answer 8

Quy đông mẫu số 2 phân số.
\(\frac{3}{9}\)và  \(\frac{4}{8}\)
\(\frac{3}{9}=\frac{3\times8}{9\times8}=\frac{24}{72}\)\(;\)\(\frac{4}{8}=\frac{4\times9}{8\times9}=\frac{36}{72}\)
Vậy \(\frac{3}{9}+\frac{4}{8}=\frac{24}{72}+\frac{36}{72}=\frac{60}{72}=\frac{5}{6}\)