Question

Điền dấu :

\(a,4\frac{1}{2}.....4\frac{3}{4}\)

\(b,2\frac{4}{5}.....3\frac{1}{4}\)

\(c,7\frac{2}{9}.....5\frac{2}{9}\)

\(d,13\frac{5}{6}.....13\frac{6}{7}\)

( giải thích rõ giùm mình nha !!! )

Answer 1

\(a,4\frac{1}{2}< 4\frac{3}{4}\)

\(b,2\frac{4}{5}< 3\frac{1}{4}\)

\(c,7\frac{2}{9}>5\frac{2}{9}\)

\(d,13\frac{5}{6}< 13\frac{6}{7}\)

Answer 2

Nao Tomori

\(a,4\frac{1}{2}....4\frac{3}{4}\Rightarrow4\frac{1}{2}=\frac{13}{2};4\frac{3}{4}=\frac{19}{4}\)

\(=4\frac{1}{2}< 4\frac{3}{4}\)

\(b,2\frac{4}{5}....3\frac{1}{4}\Rightarrow2\frac{4}{5}=\frac{14}{5};3\frac{1}{4}=\frac{13}{12}\)

\(=2\frac{4}{5}>3\frac{1}{4}\)

\(c,7\frac{2}{9}....5\frac{2}{9}\Rightarrow7\frac{2}{9}=\frac{65}{9};5\frac{2}{9}=\frac{42}{9}\)

\(=7\frac{2}{9}>5\frac{2}{9}\)

\(d,13\frac{5}{6}....13\frac{6}{7}\Rightarrow13\frac{5}{6}=\frac{83}{6};13\frac{6}{7}=\frac{97}{7}\)

\(=13\frac{5}{6}< 13\frac{6}{7}\)

P/s: Quy đồng là bước trung gian nên mk ko ghi bước quy đồng nha