sederhanakanlah 3/7k+5/bl

[tex] \frac{3}{7k} + \frac{5}{bl} \\ \frac{bl \times 3}{bl \times 7x} + \frac{7k \times 5}{7bl} \\ \frac{3bl}{7bkl} + \frac{35k}{7bkl} \\ \frac{3bl + 35k}{7bkl} [/tex]
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