There are two ways to answer this, both with the same result. 1st) two sevenths is 2/7 and any time you want to find out how much of something is in another you divide. So 2/(2/7), which is 7. 2nd) Convert 2 into a base of 7 by multipling 2*(7/7)=14/7. Then simply added 2/7 until you get 14/7. So... 2/7+2/7+2/7+2/7+2/7+2/7+2/7=14/7. Now count the number of 2/7 you wrote, and there are 7 of them. So either approach, you get 7 two sevenths are in 2.
7
7
2/7 time 2/7 = 4/49
2/7 + 2/7 = 4/7 / 2 = 2/7
37
3 and 2/7
3 - (2/7) = 2 5/7 or two and five sevenths.
7
2.28571428
2/7
2/7 = 0.2857 (approx.)
2/7 or two sevenths.