5 1 per 4 : 1 1 per 2

5 1/4 ÷ 1 1/2

=21/4 × 2/3×7/2=3 1/2

semoga membantu yaa

[tex] - 5 \frac{1}{4} = \frac{21}{4} \\ - 1 \frac{1}{2} = \frac{3}{2} \\ \\ \frac{21}{4} \div \frac{3}{2} \\ = \frac{21}{4} \times \frac{2}{3} \\ = \frac{42}{12} \\ = \frac{21}{6} \\ = 3 \frac{1}{2} [/tex]
Maaf Kalau Salah