Answer:
[tex]★†\:1 \frac{3}{8} \div 1 \frac{1}{12} \\ = \frac{11}{8} \div \frac{13}{12} \\ = \frac{11}{8} \times \frac{12}{13} \\ = \frac{11}{2} \times \frac{3}{13} \\ = \frac{33}{26} = \boxed{1 \frac{7}{26}}†✓ [/tex]
