Question

Answer 1

\(\dfrac{3}{4}=\dfrac{6}{8}=\dfrac{9}{12}=\dfrac{12}{16};\dfrac{12}{21}=\dfrac{24}{42}=\dfrac{36}{63}=\dfrac{48}{84}\)

Answer 2

3/4=6/8=9/12=12/16

12/21=24/42=48/84=96/168

Answer 3

\(\dfrac{3}{5}=\dfrac{6}{10}=\dfrac{9}{15}=\dfrac{12}{20}\\ \dfrac{12}{21}=\dfrac{24}{42}=\dfrac{36}{63}=\dfrac{48}{84}\)

Answer 4

3/4=6/8=9/12=12/16

12/21=24/42=36/63=48/84