3/8×2 1/5-1/2:1 1/4
![]()
[tex]\frac{ 3 }{ 8 } \times 2 \frac{ 1 }{ 5 } - \frac{ 1 }{ 2 } \div 1 \frac{ 1 }{ 4 } = \frac{3}{8}\times \left(\frac{11}{5}\right)-\frac{\frac{1}{2}}{\frac{1\times 4+1}{4}} = \frac{33}{40}-\frac{4}{10} = \frac{33}{40}-\frac{2}{5} = \frac{33}{40}-\frac{16}{40} = \frac{17}{40} [/tex]
[answer.2.content]
