The Average Of Two Fraction Is 7/10. One Of The Fractions Is 2/3, The Other Fraction Is, A. 11/15, B. 1/30, C. 5/7

The average of two fraction is 7/10. One of the fractions is 2/3, the other fraction is

A. 11/15
B. 1/30
C. 5/7

 

Answer:

1/30

Step-by-step explanation:

average:7/10

7/10-2/3=?

7 2 21-20 1

---- -- ---- = --------- = ----

10 3 30 30