0.666666667
1 7/12 (one and seven-twelfths)
0.95 or 19/20
1
10/21 or ten over twenty-one
5 over 55
14/15
There is no meaningful question in "three over five y plus one over nine". There cannot, therefore, be an answer.
Yes, one-thirds equals five fifteenths.
0.666666667
three over fivteen reduces to one over five .
0.95 or 19/20
1
15/25
10/21 or ten over twenty-one
The answer is sixteen over thirty five.
one and seven over twenty 1 7/20