Among fractions that are larger than 7/9 and smaller than 6/7, find the fraction whose numerator is 13.
Answer
13/16
Solution
As 9 × 13/7 = 16.----, 7/9 = 13/16.----.
As 7 × 13/6 = 15.----, 6/7 = 13/ 15.----.
The fraction between 13/16.--- and 13/15.--- is 13/16.
