Penjelasan dengan langkah-langkah:
Nomor 5 :
[tex] \frac{3}{4} - 2 \frac{1}{4} [/tex]
[tex] = \frac{3}{4} - \frac{9}{4} [/tex]
[tex] = \frac{3 - 9}{4} [/tex]
[tex] = \frac{ - 6}{4} [/tex]
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No 5
[tex] \frac{3}{4} - 2 \ \frac{1}{4} \\ [/tex]
[tex] = \frac{3}{4} - \frac{(2 \: \times \: 4) \: + \: 1}{4} \\ [/tex]
[tex] = \frac{3}{4} - \frac{9}{4} \\ [/tex]
[tex] = \frac{3}{4} \times \frac{4}{9} \\ [/tex]
[tex] = \frac{(3 \: \times \: 4)}{(4 \: \times \: 9)} \\ [/tex]
[tex] = \frac{12}{36} \\ [/tex]
No 6
[tex] \frac{2}{3} - 6 \ \frac{1}{2} \\ [/tex]
[tex] = \frac{2}{6} - \frac{(6 \: \times \: 2) \: + \: 1}{2} \\ [/tex]
[tex] = \frac{2}{6} - \frac{13}{2} \\ [/tex]
[tex] = \frac{2}{6} \times \frac{2}{13} \\ [/tex]
[tex] = \frac{(2 \: \times \: 2)}{(6 \: \times \: 13)} \\ [/tex]
[tex] = \frac{4}{78} \\ [/tex]
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