Explanation
Converting the given ratios into fractions we get,
2 \cfrac {1}{2} : 3 \cfrac { 1 } {3} = \cfrac { 2 \cfrac {1}{2} } { 3 \cfrac { 1 } {3}} = \cfrac {\cfrac {5}{2}}{\cfrac {10}{3}} = \cfrac {3}{4}
3.5: 4.5 = \cfrac { \cfrac {7}{2} } { \cfrac { 9 } {2}} = \cfrac {7}{9} LCM of 4, 9 = 36 Converting the fractions in like fractions with denominator 36 , we get \cfrac {3}{4} = \cfrac {3 \times 9}{4 \times 9} = \cfrac {27}{36}
\cfrac {7}{9} = \cfrac {7 \times 4}{9 \times 4 } = \cfrac {28}{36} Comparing these fractions, \cfrac {28}{36} > \cfrac {27}{36} Hence, 3.5 : 4.5 is greater.
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