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\(\dfrac{50}{60}=\dfrac{5}{6}\)
\(\dfrac{33}{11}=3\)
\(\dfrac{16}{60}=\dfrac{4}{15}\)
\(\dfrac{42}{22}=\dfrac{21}{11}\)
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\(\frac{16}{24}=\frac{2}{3}\)
\(\frac{35}{45}=\frac{7}{9}\)
\(\frac{49}{28}=\frac{7}{4}\)
\(\frac{85}{51}=\frac{5}{3}\)
\(\frac{64}{96}=\frac{2}{3}\)
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\(a,\\ =\dfrac{5}{4}-\dfrac{3}{4}=\dfrac{2}{4}=\dfrac{1}{2}\\ b,\\ =\dfrac{2}{3}-\dfrac{2}{5}=\dfrac{10-6}{15}=\dfrac{4}{15}\\ c,\\ =\dfrac{5}{6}-\dfrac{1}{4}=\dfrac{20-6}{24}=\dfrac{14}{24}=\dfrac{7}{12}\\ d,\\ =\dfrac{4}{3}-\dfrac{1}{4}=\dfrac{12-3}{12}=\dfrac{9}{12}=\dfrac{3}{4}\)
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\(\frac{16}{28}=\frac{16:4}{28:4}=\frac{4}{7}\)
\(\frac{1212}{1515}=\frac{1212:303}{1515:303}=\frac{4}{5}\)
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\(\frac{16}{48}=\frac{16:16}{48:16}=\frac{1}{3}\);\(\frac{14}{35}=\frac{14:7}{35:7}=\frac{2}{5}\)
\(\frac{1}{3}=\frac{1\cdot5}{3\cdot5}=\frac{5}{15}\); \(\frac{2}{5}=\frac{2\cdot3}{5\cdot3}=\frac{6}{15}\)
\(\frac{16}{40}=\frac{16:8}{40:8}=\frac{2}{5}\)
\(\frac{50}{85}=\frac{50:5}{85:5}=\frac{10}{17}\)
16 2 50 5
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40 5 85 17