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Question
For the following numbers write the ratio of first number to second number in the reduced form.
138, 161
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Solution
`138 : 161 = 138/161 = ( 138 ÷ 23)/( 161 ÷ 23)=6/7 = 6 : 7` ...(HCF of 138 and 161 = 23)
Thus, the reduced form of 138 : 161 is 6 : 7.
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