besok dikumpulkan
a.
[tex] \frac{ \frac{3}{8} }{ \frac{4}{16} } = \frac{3}{8} \times \frac{16}{4} = \frac{3 \times 16}{8 \times 4} = \frac{3 \times 2}{4} = \frac{3}{2} [/tex]
b.
[tex] \frac{ \frac{1}{7} }{ \frac{8}{21} } = \frac{1}{7} \times \frac{21}{8} = \frac{21}{7 \times 8} = \frac{3}{8} [/tex]
c.
[tex] \frac{ \frac{3}{7} }{ \frac{9}{14} } = \frac{3}{7} \times \frac{14}{9} = \frac{3 \times 14}{7 \times 9} = \frac{3 \times 2}{9} = \frac{2}{3} [/tex]
d.
[tex] \frac{ \frac{2}{3 } + \frac{6}{7} }{ \frac{13}{27} } = ( \frac{2}{3} + \frac{6}{7} ) \times \frac{27}{13} = \frac{14 + 18}{21} \times \frac{27}{13} = \frac{32}{21} \times \frac{27}{13} = \frac{32 \times 27}{21 \times 13} = \frac{32 \times 9}{7 \times 13} = \frac{288}{91} = 3 \frac{15}{91} [/tex]
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