Answer:
967354176/8725762864 because it can be a common denomonater
Step-by-step explanation:
The answer is C!
3/70
change 1/10 and 1/7 so the denominator (bottom number) is the same. 1/10= 7/70 and 1/7= 10/70 so you need 3/70 to make the two numbers equal.
