[tex] \frac{2}{7} + \frac{7}{9} \\ \\ \frac{(2 \times 9) + (7 \times 7)}{7 \times 9} \\ \\ \frac{(18 + 49)}{63} \\ \\ \frac{67}{63} = 1 \frac{4}{63} [/tex]
[tex] \frac{2}{7} + \frac{7}{9} \\ \\ = \frac{2 \times 9}{7 \times 9} + \frac{7 \times 7}{9 \times 7} \\ \\ = \frac{18 + 49}{63} \\ \\ = \frac{67}{63} \\ \\ = \red{1 \frac{4}{63} }[/tex]
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[tex] \frac{2}{7} + \frac{7}{9} \\ \\ \frac{(2 \times 9) + (7 \times 7)}{7 \times 9} \\ \\ \frac{(18 + 49)}{63} \\ \\ \frac{67}{63} = 1 \frac{4}{63} [/tex]
Penyelesaian
[tex] \frac{2}{7} + \frac{7}{9} \\ \\ = \frac{2 \times 9}{7 \times 9} + \frac{7 \times 7}{9 \times 7} \\ \\ = \frac{18 + 49}{63} \\ \\ = \frac{67}{63} \\ \\ = \red{1 \frac{4}{63} }[/tex]