3/5 + 7/9 = 27/45 + 35/45 = 62/45
One-third plus three-ninths is 2/3.7/9
63
9 39/40
2.15 or 2 and three twentieths
It is seven ninths.
One-third plus three-ninths is 2/3.7/9
4*5 + 7*9= 20+63=83.
13 over 9
63
seven and two fifths
9 39/40
2.15 or 2 and three twentieths
That is 9 and 5 ninths.
14 and 3/5
It is seven ninths.
20/45 + 18/45 = 38/45
(Three of anything) plus (another three of it) = (six of the same thing)