4 3/5 × 7/8 ÷ 21/40 = .... berapa hasil nya

desimal nya 6,44......

[tex] = 4 \frac{3}{5} \times \frac{7}{8} \div \frac{21}{40} \\ = \frac{23}{5} \times \frac{7}{8} \times \frac{40}{21} \\ = \frac{6440}{840} \\ = \frac{805}{105} \\ = \frac{23}{3} \\ = 7 \frac{2}{3} [/tex]

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