a)\(\dfrac{7}{8}=\dfrac{7}{8};\dfrac{9}{8}=\dfrac{9}{8}\)
b)\(\dfrac{2}{3}=\dfrac{40}{60};\dfrac{3}{4}=\dfrac{45}{60};\dfrac{6}{5}=\dfrac{72}{60}\)
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c)\(\dfrac{13}{12}=\dfrac{65}{60};\dfrac{5}{6}=\dfrac{50}{60};\dfrac{4}{5}=\dfrac{48}{60}\)
d)\(\dfrac{9}{8}=\dfrac{54}{48};\dfrac{7}{24}=\dfrac{14}{48};\dfrac{41}{48}=\dfrac{41}{48}\)
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