Respuesta :

Answer:

-7/30

Have a great day!

Answer:

1 21/70

Step-by-step explanation:

 14/7 x 10/10 = 140/70

- 7/10 x 7/7 =    49/70

_______

140/70 and 49/70 both have an equal denominator (bottom number) now, so now we can find the difference (subtract).

 140/70

- 49/70

_________

91/70

Now, simplify.

1 21/70