If a/b = 2/3 and b/c =4/5 then (a+b)/(b+c) is equal to
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(a+b) /(b+c)
=(a/b+1)/(1+c/b) [ dividing numerator and denominator by b]
= (2/3+1)/(1+5/4) [given values]
= {(2+3)/3}/{(4+5)/4}
= (5/3)/(9/4)
= 5/3 * 4/9
= 20/27 ans
=(a/b+1)/(1+c/b) [ dividing numerator and denominator by b]
= (2/3+1)/(1+5/4) [given values]
= {(2+3)/3}/{(4+5)/4}
= (5/3)/(9/4)
= 5/3 * 4/9
= 20/27 ans
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