Two ninths.
2/9 of 180 is 40.
180 * 5/9 = 100
171/180
160
Two thirds minus two ninths is 4 ninths. Two thirds is 6 ninths. 6 ninths minus 2 ninths is 4 ninths.
To subtract two fractions, they must have a common denominator. In this case, the common denominator is 9. So, convert 2/3 to 6/9. Then, subtract 6/9 - 4/9 to get 2/9 as the result.
3/9 + 9/20 = 60/180 + 81/180 = 141/180
2.5
two ninths
Eight-ninths
8 and 4 ninths