Respuesta :
The answer is 30 1/2 because you have to multiply each denominator which you should get 12.
150/12
75/12
136/12
Than you can easily add them together to get 361/12 which you would need to simplify to get the correct answer
150/12
75/12
136/12
Than you can easily add them together to get 361/12 which you would need to simplify to get the correct answer