1 8/5 × 0,75 : 2/5plis jawab pake cara

1 8/5 × 0,75 : 2/5plis jawab pake cara

$1 frac{ 8 }{ 5 } times 0.75 div frac{ 2 }{ 5 } \ \ = frac{frac{5+8}{5}times 0.75}{frac{2}{5}} \ \ = frac{frac{13}{5}times 0.75}{frac{2}{5}} \ \ = frac{frac{13}{5}times left(frac{3}{4}right)}{frac{2}{5}} \ \ = frac{frac{13times 3}{5times 4}}{frac{2}{5}} \ \ = frac{frac{39}{20}}{frac{2}{5}} \ \ = frac{39}{20}times left(frac{5}{2}right) \ \ = frac{39times 5}{20times 2} \ \ = frac{195}{40} = frac{39}{8} \ \ = 4 frac{7}{8}$