Question

3. Which ratio is greater ? (i) (3:7) or (4:9) ) (ii) (5:8) or (6:17) ​

Answer 1

Answer:

For comparing the ratios, first write them in forms of fractions, and compare the denominator by finding LCM

=>

3/7     4/9     5/8     6/17

LCM of 7,8,9,17 = 8568

=> 3/7 = 3672/8568

=> 4/9 = 3808/8568

=> 5/8 = 5355/8568

=> 6/17 = 3024/8568

On comparing, we find the highest numerator belongs to 5/8

Therefore, 5:8 is the greatest ratio among the four.

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