Question

Solve this problem
it's urgent​

Answer 1

Step-by-step explanation:

$(1) \: 7 - \frac{9}{2} - \frac{9}{4} \\ = \frac{28 - 18 - 9}{4} = \frac{1}{4} \\ \\ (2) \: \frac{11}{5} + \frac{5}{4} - \frac{3}{2} = \frac{44 + 25 - 30}{20} = \frac{39}{20}$

Answer 2

Answer:

19/4

Step-by-step explanation:

7 - 3/2 - 3/4

= 7 x 2 - 3 x 1/2 -3/4

= 14 - 3/2 -3/4

= 11/2 -3/4

= 11 x 2 - 3 x 1/4

= 22 - 3/4

= 19/4