Hãy rút gọn phân số như sau
9/6 45/35 60/36 32/12 24/18
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`6/10=3/5`
`70/9=70/9`
`96/72=4/3`
`45/35=9/7`
`24/36=2/3`
`25/100=1/4`
\(\frac{4}{12}=\frac{4:4}{12:4}=\frac{1}{3}\)
\(\frac{24}{30}=\frac{24:6}{30:6}=\frac{4}{5}\)
\(\frac{25}{100}=\frac{25:25}{100:25}=\frac{1}{4}\)
\(\frac{60}{80}=\frac{60:20}{80:20}=\frac{3}{4}\)
\(\frac{9}{18}=\frac{9:9}{18:9}=\frac{1}{2}\)
\(\frac{60}{36}=\frac{60:12}{36:12}=\frac{5}{3}\)
\(\frac{72}{54}=\frac{72:18}{54:18}=\frac{4}{3}\)
\(\frac{35}{210}=\frac{35:35}{210:35}=\frac{1}{6}\)
4/12=1/3
24/30=4/5
25/100=1/4
60/80=3/4
9/18=1/2
60/36=5/3
72/54=4/3
35/210=1/6
c ) − 5 15 = ( − 5 ) : 5 15 : 5 = − 1 2 d ) − 12 − 24 = ( − 12 ) : ( − 12 ) ( − 24 ) : ( − 12 ) = 1 2
e ) 54 270 = 54 : 54 270 : 54 = 1 5 f ) − 12 − 28 = ( − 12 ) : ( − 4 ) ( − 28 ) : ( − 4 ) = 3 7
g ) − 18 − 27 = ( − 18 ) : ( − 9 ) ( − 27 ) : ( − 9 ) = 2 3 h ) 45 − 24 = 45 : ( − 3 ) ( − 24 ) : ( − 3 ) = − 15 8
18/24=3/4
15/35=3/7
40/56=5/7
96/36=16/6
ps 8/10=ps:4/5 và 32/40
k mik nha!^^^^^^^
\(\frac{18}{24}=\frac{3}{4}\)
\(\frac{15}{35}=\frac{3}{7}\)
\(\frac{40}{56}=\frac{5}{7}\)
\(\frac{96}{36}=\frac{8}{3}\)
Phân số bằng \(\frac{8}{10}\) là:
\(\frac{12}{15};\frac{4}{5};\frac{32}{40}\)
a: 12/21=4/7=8/14
4/56=1/14
b: 12/15=4/5=24/30
6/36=1/6=5/30
15/50=3/10=9/30
c: 63/77=9/11=81/99
60/108=5/9=55/99
-18/27=-2/3=-66/99
d: -26/-156=1/6=7/42
49/-14=-7/2=-147/42
32/112=2/7=12/42
\(\dfrac{24}{32}=\dfrac{24:8}{32:8}=\dfrac{3}{4}\)
\(\dfrac{75}{100}=\dfrac{75:25}{100:25}=\dfrac{3}{4}\)
\(\dfrac{45}{60}=\dfrac{45:15}{60:15}=\dfrac{3}{4}\)
\(\dfrac{27}{63}=\dfrac{27:9}{63:9}=\dfrac{3}{7}\)
\(\dfrac{24}{32}=\dfrac{24:8}{32:8}=\dfrac{3}{4}\)
\(\dfrac{45}{6}=\dfrac{45:3}{6:3}=\dfrac{15}{2}\)
\(\dfrac{75}{100}=\dfrac{75:25}{100:25}=\dfrac{3}{4}\)
\(\dfrac{27}{63}=\dfrac{27:9}{63:9}=\dfrac{3}{7}\)
XX là mấy?
\(\dfrac{9}{6}\) = \(\dfrac{9:3}{6:3}\) = \(\dfrac{3}{2}\)
\(\dfrac{45}{35}\) = \(\dfrac{45:5}{35:5}\) = \(\dfrac{9}{7}\)
\(\dfrac{60}{36}\) = \(\dfrac{60:12}{36:12}\) = \(\dfrac{5}{3}\)
\(\dfrac{32}{12}\) = \(\dfrac{32:4}{12:4}\) = \(\dfrac{8}{3}\)
\(\dfrac{24}{18}\) = \(\dfrac{24:6}{18:6}\) = \(\dfrac{4}{3}\)