I work it out like this: (-2/15) - (-1/9)
= (-2/15) + (1/9) ) [minus negative is the same as plus]
= (-6/45)+(5/45) [change both to 45th as that is the lowest common multiple of 15 and 9]
=-1/45 or negative1/45
-1,000,000,000
32 45
negative one ninth
Yes, that is correct.
Tenth to the ninth minus ten to the sixth = ten to the third.
One third is three ninths. So one ninth minus three ninths is minus two nights.
seven ninths
1 third = 3 ninths, 3 ninths - 2 ninths = 1 ninth.
1/1000000000
- 1.9
The cube root of -1 ("minus 1" or "negative 1") is -1. In fact all odd-numbered roots (i.e., the fifth root, the seventh root, the ninth root, etc.) of -1 are -1.
44 8/9