+23247 (2/3) to the second power is (2/3)² = (2/3)·(2/3) = 4/9
2 1/3 as a common fraction is (2 x 3 + 1) / 3 = 7/3
3/4 x (7/3) = (3 x 7) / (4 x 3) = 21 / 12 = -7/4 [reduced]
Putting all these together: 4/9 - 7/4 = 4/9 + 7/4
The common denominator is 36 = 16/36 - 63/36 = -47/36
+23247 (2/3) to the second power is (2/3)² = (2/3)·(2/3) = 4/9
2 1/3 as a common fraction is (2 x 3 + 1) / 3 = 7/3
3/4 x (7/3) = (3 x 7) / (4 x 3) = 21 / 12 = -7/4 [reduced]
Putting all these together: 4/9 - 7/4 = 4/9 + 7/4
The common denominator is 36 = 16/36 - 63/36 = -47/36
