144:81 can be reduced to a 16:9 ratio.
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81/44 has a greatest common factor of 9; divide both top and bottom by 9 81/144 = 9/16
1296
Answer: 144, 169, 225 Explanation: 72=49, 92=81, similarly 102=100, 122=144
144 inches : 2.5 feet = 144 : 30 = 24 : 5
Since 313 and 144 are coprime, the ratio cannot be simplified.