change the fractions so they have a common denominator. 2/3 multiply BOTH numerator and denominator by 5 so you get 10/15. 1/5 multiply BOTH the numerator and denominator by 3 so you get 3/15. then add the numerators ONLY so you get 13/15. hope it helps.
If you are using the word "over" to describe that these numbers are fractions, then 1/9 plus 4/9 is 5/9. Since the denominators are the same, you simply add the numerators of both fractions, and you have your answer, 5 over 9.
As with most decisions, one factor could be the cost of making the wrong call weighed against the benefits of getting it right.
Yes, fractions can go over a hundred.
No, unless you want fractions over fractions.
Fractions are stupid
Two equivalent fractions are 2 over 12, and 3 over 18. There much more equivalent fractions besides those.
2 equivalent fractions for 3 over 11 are 6 over 22 or 12 over 44.
3 equal fractions would be 24 over 10, 48 over 20 and 96 over 40.
It is 20
2 equivalent fractions for 5 over 5 = 1/1, 2/2
equivalent fractions of 1 over 6 = 2/12, 3/18, 4/24,...
You must convert the fractions to equivalent fractions with a common denominator, which in this case is 20.