Question

11/12 + 1/12
16/21-3/14
4/5*7/12
7/9:$2\frac{1}{3}$
$4\frac{9}{16} + 2 \frac{5}{24}$
3$\frac{5}{18} - 2\frac{11}{16}$$\frac{7}{16} *2\frac{2}{7}$$1\frac{5}{8}:\frac{39}{40}$

Answer 1

11/12+1/12=12/12

16/21-3/14=1/14

4/5×7/12=7/15