3 + 1 2/5 × 3/7
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[tex]3 + 1 \frac{2}{5} \times \frac{3}{7} \\ [/tex]
[tex] = \frac{3}{1} + \frac{7}{5} \times \frac{3}{7} \\ [/tex]
[tex] = \frac{3}{1} + \frac{7 \times 3}{5 \times 7} \\ [/tex]
[tex] = \frac{3}{1} + \frac{21}{35} \\ [/tex]
[tex] = \frac{105}{35} + \frac{21}{35} \\ [/tex]
[tex] = \frac{126}{35} = 3 \frac{3}{5} \\ [/tex]
Penjelasan dengan langkah-langkah:
--
[tex] \\ [/tex]
[tex]3 + 1 \frac{2}{5} \times \frac{3}{7} \\ [/tex]
[tex] = \frac{3}{1} + \frac{7}{5} \times \frac{3}{7} \\ [/tex]
[tex] = \frac{3}{1} + \frac{7 \times 3}{5 \times 7} \\ [/tex]
[tex] = \frac{3}{1} + \frac{21}{35} \\ [/tex]
[tex] = \frac{105}{35} + \frac{21}{35} \\ [/tex]
[tex] = \frac{126}{35} = 3 \frac{3}{5} \\ [/tex]
[tex] \\ [/tex]
