بِسْـــمِ اللَّهِ الرَّحْمَــنِ الرَّحِيْمِ
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Nomor 5a:
- Jumlah dari 5/6 dan 6/7
[tex] \frac{5}{6} + \frac{6}{7} \\ \\ = \frac{(5 \times 7) + (6 \times 6)}{6 \times 7} \\ \\ = \frac{35 + 36}{42} \\ \\ = \frac{71}{42} \\ \\ = 1 \frac{29}{42} [/tex]
- Selisih dari 5/6 dan 6/7
[tex] \frac{5}{6} - \frac{6}{7} \\ \\ = \frac{(6 \times 6) - (7 \times 5)}{6 \times 7} \\ \\ = \frac{36 - 35}{42} \\ \\ = \frac{1}{42} [/tex]
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Nomor 5b:
- Jumlah dari 5/8 dan 1/2
[tex] \frac{5}{8} + \frac{1}{2} \\ \\ = \frac{(8 \times 1) + (2 \times 5)}{8 \times 2} \\ \\ = \frac{8 + 10}{16} \\ \\ = \frac{18}{16} \\ \\ = \frac{9}{8} \\ \\ = 1 \frac{1}{8}[/tex]
- Selisih dari 5/8 dan 1/2
[tex] \frac{1}{2} - \frac{5}{8} \\ \\ = \frac{(2 \times 5) - (8 \times 1)}{2 \times 8} \\ \\ = \frac{10 - 8}{16} \\ \\ = \frac{2}{16} \\ \\ = \frac{1}{8} [/tex]
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وَاللَّهُ عَالَمُ بِاالصَّوَافَ
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