60/72 rút gọn phân số
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\(\frac{60}{72}=\frac{60:12}{72:12}=\frac{5}{6}\)
\(\frac{70}{95}=\frac{70:5}{95:5}=\frac{14}{19}\)
\(\frac{150}{360}=\frac{150:30}{360:30}=\frac{5}{12}\)
\(\dfrac{60}{72}=\dfrac{60:12}{72:12}=\dfrac{5}{6}\\ \dfrac{70}{95}=\dfrac{70:5}{95:5}=\dfrac{14}{19}\\ \dfrac{150}{360}=\dfrac{150:30}{360:30}=\dfrac{5}{12}\)
\(\dfrac{-8}{12}=\dfrac{-8:4}{12:4}=\dfrac{-2}{3}\\ \dfrac{15}{-60}=\dfrac{15:15}{-60:15}=\dfrac{1}{-4}\\ \dfrac{-16}{-72}=\dfrac{-16:\left(-8\right)}{-72:\left(-8\right)}=\dfrac{2}{9}\\ \dfrac{35}{14.15}=\dfrac{5.7}{7.2.5.3}=\dfrac{1}{2.3}=\dfrac{1}{6}\)
a . 21/70 = 3/10 ; 56/96 = 7/12 ; 60/72 = 15/18
Mình chỉ làm tới đây thôi .
\(\frac{17}{34}=\frac{1}{2}\), \(\frac{60}{70}=\frac{6}{7}\),\(\frac{126}{255}=\frac{42}{85}\),\(\frac{24}{72}=\frac{1}{3}\), \(\frac{105}{30}=\frac{7}{2}\), \(\frac{78}{56}=\frac{39}{28}\)
\(\frac{1}{2},\frac{6}{7},\frac{42}{85},\frac{1}{3},\frac{7}{2},\frac{39}{28}\)
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\(\frac{6}{9}=\frac{6:3}{9:3}=\frac{2}{3}\)
\(\frac{18}{48}=\frac{18:6}{48:6}=\frac{3}{8}\)
\(\frac{72}{84}=\frac{72:12}{84:12}=\frac{6}{7}\)
\(\frac{60}{120}=\frac{60:60}{120:60}=\frac{1}{2}\)
\(\frac{6}{9}=\frac{6\div3}{9\div3}=\frac{2}{3}\)
\(\frac{18}{48}=\frac{18\div6}{48\div6}=\frac{3}{8}\)
\(\frac{72}{84}=\frac{72\div12}{84\div12}=\frac{6}{7}\)
\(\frac{60}{120}=\frac{60\div60}{120\div60}=\frac{1}{2}\)
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5/6