23÷4514+35−13\frac{ \frac{2}{3} \div \frac{4}{5} }{ \frac{1}{4} + \frac{3}{5} - \frac{1}{3} }41+53−3132÷54
23÷45=23×54\frac{2}{3} \div \frac{4}{5} = \frac{2}{3} \times \frac{5}{4}32÷54=32×45
= 56\frac{5}{6}65
14+35−13=15+36−2060\frac{1}{4} + \frac{3}{5} - \frac{1}{3} = \frac{15 + 36 - 20}{60}41+53−31=6015+36−20
= 3160\frac{31}{60}6031
∴23÷4514+35−13=56÷3160\therefore \frac{ \frac{2}{3} \div \frac{4}{5} }{ \frac{1}{4} + \frac{3}{5} - \frac{1}{3} } = \frac{5}{6} \div \frac{31}{60}∴41+53−3132÷54=65÷6031
= 56×6031\frac{5}{6} \times \frac{60}{31}65×3160
= 5031\frac{50}{31}3150
