1. 12 3/8 divide 2 3/4

Answer:
[tex]4\frac{1}{2} [/tex]
Step-by-step explanation:
To make the division easier, we will convert them to improper fraction first.
[tex]12 \frac{3}{8} \div 2 \frac{3}{4} \\ = \frac{99}{8} \div \frac{11}{4} [/tex]
Now we will change the sign to multiply and swap the numerator and denominator of the divisor fraction.
[tex] \frac{99}{8} \div \frac{11}{4} \\ = \frac{99}{8} \times \frac{4}{11} \\ = \frac{396}{88} \\ = \frac{9}{2} = 4 \frac{1}{2} [/tex]