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\(\frac{39}{75}=\frac{39:3}{75:3}=\frac{13}{25}\)
\(\frac{48}{78}=\frac{48:6}{78:6}=\frac{8}{13}\)
\(\frac{120}{90}=\frac{120:30}{90:30}=\frac{4}{3}\)
_HT_
\(\frac{48}{96}=\frac{48:48}{96:48}=\frac{1}{2}\)
\(\frac{42}{98}=\frac{42:14}{98:14}=\frac{3}{7}\)
\(\frac{80}{240}=\frac{80:80}{240:80}=\frac{1}{3}\)
\(\frac{75}{100}=\frac{75:25}{100:25}=\frac{3}{4}\)
\(\frac{64}{720}=\frac{64:16}{720:16}=\frac{4}{45}\)
\(\frac{15}{120}=\frac{15:15}{120:15}=\frac{1}{8}\)
48/96=1/2
42/98=3/7
80/240=1/3
75/100=3/4
64/720=4/45
15/120=1/8
\(a) \frac{1}{4};\frac{3}{7};\frac{101}{131}\)
\(15\div\frac{15}{45}\div15=\frac{1}{3}\)
\(\frac{72}{90}=72\div\frac{18}{90}\div18=\frac{4}{5}\)
\(50\div\frac{10}{120}\div10=\frac{5}{12}\)
1000000000000% đúng nha
\(\dfrac{120}{90}=\dfrac{4}{3}\)
\(\dfrac{39}{75}=\dfrac{13}{25}\)
\(\dfrac{225}{900}=\dfrac{1}{4}\)
\(a,\frac{24}{56}=\frac{24:8}{56:8}=\frac{3}{7}\)
\(b,\frac{120}{90}=\frac{120:30}{90:30}=\frac{4}{3}\)
TL
các P/s bằng nhau là
3/4=36/48; 9/13=54/78=108/256; 5/7=75/105; 2/9=42/189.
nha bn
HT
TL:
\(\frac{3}{4}=\frac{36}{48}\)
\(\frac{2}{9}=\frac{42}{189}\)
\(\frac{5}{7}=\frac{75}{105}\)
\(\frac{9}{13}=\frac{108}{156}\)
Còn dư phân số : 54/78
_HT_
\(\frac{12}{42}=\frac{2}{7}\)
\(\frac{50}{75}=\frac{2}{3}\)
\(\frac{48}{54}=\frac{8}{9}\)
\(\frac{72}{90}=\frac{4}{5}\)
\(\dfrac{48}{78}=\dfrac{48:6}{78:6}=\dfrac{8}{13}\)
\(\dfrac{39}{75}=\dfrac{39:3}{75:3}=\dfrac{13}{25}\)
\(\dfrac{120}{90}=\dfrac{120:30}{90:30}=\dfrac{4}{3}\)
`48/78 = 8/13`
`39/75 =13/25`
`120/90 =4/3`