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    				| 1. | Simplify the following expressions : 2/3 " of " 21 4/9 - 9 4/11 | 
| Answer» SOLUTION :2/3 of`21 4/9 - 9 4/11 = 2/3 XX 21 4/9 - 9 4/11 = 1465/297 = 4 277/297` | |