3. tentukanlah hasil dari 2 1/2 + 1/2/3:1/1/4
![]()
[tex]2 \frac{1}{2} + 1\frac{2}{3} \div 1 \frac{1}{4} = \frac{5}{2} +( \frac{5}{3} \div \frac{5}{4}) \\ \\ = \frac{5}{2} + ( \frac{5}{3} \times \frac{4}{5} ) = \frac{5}{2} + \frac{4}{3} \\ \\ = \frac{15 + 8}{6} = \frac{23}{6} = 3 \frac{5}{6} [/tex]
