Question

3/5+11/20=?

Answer 1

3/5 + 11/20 = 12 + 11/20

                 =      23/20  

Answer 2

\(\frac{3}{5}+\frac{11}{20}\)

\(=\frac{3.4}{5.4}+\frac{11}{20}\)

\(=\frac{12}{20}+\frac{11}{20}\)

\(=\frac{23}{20}\)

k mk nha

Thanks nhìu ^_^

Answer 3

3/5 + 11/20 = 12/20 + 11/20 = 23/20

Answer 4

\(\frac{3}{5}+\frac{11}{20}\)
\(MSC=20\)
\(\frac{3}{5}=\frac{3\times4}{5\times4}=\frac{12}{20}\)
Giứ nguyên phân số: \(\frac{11}{20}\)
\(\frac{12}{20}+\frac{11}{20}=\frac{23}{20}\)
Vậy \(\frac{3}{5}+\frac{11}{20}=\frac{23}{20}\)