\(\frac{15}{3}=5;\frac{25}{4}=6\frac{1}{4};\frac{36}{7}=5\frac{1}{7};\frac{45}{7}=6\frac{3}{7};\frac{25}{3}=8\frac{1}{3};\frac{14}{12}=1\frac{2}{12}=1\frac{1}{6}\)

\(\frac{12}{13}>\frac{22}{33}\)

\(\frac{123}{123}=\frac{124124}{125125}\)

Chuyển từ phân số thành hỗn số :

\(\frac{14}{5}=2\frac{4}{5},\frac{29}{7}=4\frac{1}{7},\frac{100}{24}=4\frac{1}{6},\frac{32}{7}=4\frac{4}{7},\frac{315}{100}=3\frac{3}{20}\)

\(\frac{31}{15}=2\frac{1}{15},\frac{89}{10}=8\frac{9}{10},\frac{25}{6}=4\frac{1}{6},\frac{124}{50}=2\frac{12}{25},\frac{35}{4}=8\frac{3}{4}\)

a. \(\frac{79}{8}=9\frac{7}{8}\)

b. \(\frac{64}{7}=9\frac{1}{7}\)

c. \(\frac{365}{4}=91\frac{1}{4}\)

d. \(\frac{123}{5}=24\frac{3}{5}\)

đáp số 

\(24\frac{3}{5}\)

hok tốt

đáp số 

\(24\frac{3}{5}\)

hok tốt

a)3/3/4

b)7/5/11

c)9/1/2

d)9/1/2

e)23/8/9

g)5/3/7

h)11

i)5/1/10

2 3/5 = 13/5

5 4/9= 49/9

9 3/8 =75/8

12 7/10= 127/10

Đúng ko

K mk nha

=13/5

=49/9

=76/8

=127/20

..xoxo..

\(2\frac{3}{5}=\frac{13}{5}\)

\(5\frac{4}{9}=\frac{49}{9}\)

\(9\frac{3}{8}=\frac{75}{8}\)

\(12\frac{7}{10}=\frac{127}{10}\)

a) \(3\frac{2}{7}=\frac{3.7+2}{7}=\frac{23}{7}\)                                                                        b)  \(2\frac{5}{12}=\frac{2.12+5}{12}=\frac{29}{12}\)

c)  \(9\frac{5}{9}=\frac{9.9+5}{9}=\frac{86}{9}\)                                                                   d) \(12\frac{3}{4}=\frac{12.4+3}{4}=\frac{51}{4}\)

a . \(3\frac{2}{7}=\frac{3\cdot7+2}{7}=\frac{23}{7}\)

b . \(2\frac{5}{12}=\frac{2\cdot12+5}{12}\frac{29}{12}\)

c . \(9\frac{5}{9}=\frac{9\cdot9+5}{9}=\frac{86}{9}\)

d . \(12\frac{3}{4}=\frac{12\cdot4+3}{4}=\frac{51}{4}\)

a,   \(3\frac{2}{7}=\frac{3X7+2}{7}=\frac{23}{7}\)

b,   \(2\frac{5}{12}=\frac{2X12+5}{12}=\frac{29}{12}\)

c,    \(9\frac{5}{9}=\frac{9X9+5}{9}=\frac{86}{9}\)

d,     \(12\frac{3}{4}=\frac{12X4+3}{4}=\frac{51}{4}\)

             Chúc bạn học giỏi !

4\(\dfrac{1}{2}\)=4,5      3\(\dfrac{4}{5}\)=3,8         2\(\dfrac{3}{4}\)=2,75      1\(\dfrac{12}{25}\)=1,48.

4 1/2=4,5

3 4/5=3,8

2 3/4=2,75

1 12/25=1,48

đúng 100% nha

\(4\dfrac{1}{2}\)=4\(\dfrac{5}{10}\)=4,5

\(3\dfrac{4}{5}\)=3\(\dfrac{8}{10}\)=3,8

\(2\dfrac{3}{4}\)=2\(\dfrac{75}{100}\)=2,75

1\(\dfrac{12}{25}\)=1\(\dfrac{48}{100}\)=1,48

\(3\frac{3}{4}\)

\(23\frac{8}{9}\)

\(7\frac{5}{11}\)

\(5\frac{3}{7}\)

\(9\frac{1}{2}\)

\(10\frac{1}{4}\)

\(9\frac{1}{2}\)

\(5\frac{1}{10}\)

kb nha

\(\frac{15}{4}=3\frac{3}{4}\)

\(\frac{215}{9}=23\frac{8}{9}\)

\(\frac{82}{11}=7\frac{5}{11}\)

\(\frac{38}{7}=5\frac{3}{7}\)

\(\frac{57}{6}=9\frac{3}{6}\)

\(\frac{123}{12}=10\frac{3}{12}\)

\(\frac{95}{10}=9\frac{5}{10}\)

\(\frac{51}{10}=5\frac{1}{10}\)