3 1/2 - 2 1/5 :1 2/5
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1 13/14
Penjelasan dengan langkah-langkah:
[tex]\begin{gathered}\small\boxed { \begin {array} {c|c} \sf 3 \frac{1}{2} - 2 \frac{1}{5} \div 1 \frac{2}{5} \\ \\ \sf \: = \frac{7}{2} - (\frac{11}{5} \div \frac{7}{5} ) \\ \\ \sf \: = \frac{7}{2} - ( \frac{11}{5} \times \frac{5}{7} ) \\ \\ \sf \: = \frac{7}{2} - \frac{55}{35} \\ \\ \sf \: = \frac{245}{70} - \frac{110}{70} \\ \\ \sf \: = \frac{135}{70} \\ \\ \sf \: = 1 \frac{65}{70} \\ \\ \sf \: = 1 \frac{13}{14} \end{array}}\end{gathered}[/tex]
[answer.2.content]
