3 7per8 ditambah 4,6 dikurangi 2per4
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[tex]3 \frac{7}{8} + 4.6 - \frac{2}{4} [/tex]
[tex] = \frac{31}{8} + \frac{46}{10} - \frac{2}{4} [/tex]
[tex] = \frac{31}{8} + \frac{23}{5} - \frac{2}{4} [/tex]
[tex] = \frac{31(5)}{8(5)} + \frac{23(8)}{5(8)} - \frac{2(10)}{?4(10)} [/tex]
[tex] = \frac{155}{40} + \frac{184}{40} - \frac{20}{40} [/tex]
[tex] = \frac{155 + 184 - 20}{40} [/tex]
[tex] = \frac{319}{40} [/tex]
[tex] = 7 \frac{39}{40} [/tex]
