Question

resolve las operaciones (y luego simplificar) y completa el cuadro ​

Answer 1

Respuesta:

70/30+13/10 = 109/30

70/30+13/10 ; 13/10 = (13×3)/(10×3) = 39/30

= 70/30+39/30

= (70+39)/30

= 109/30

11/10+1/30 = 17/15

11/10+1/30 ; 11/10 = 33/30

= 33/30+1/30

= (33+1)/30

= 34/30

= (34÷2/30÷2)

= 17/15