Find a rational number between 5/7 and 7/9
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Step-by-step explanation:
We know that, a rational number between x and y is given by 1/2(x+y)
Required rational number
= 1/2(5/7+7/9)
= 1/2{ (5×9)/(7×9)+ (7×7)/(9×7)}
= 1/2{ 45/63 + 49/63}
= 1/2 { 94/63}
= 1/2 × 94/ 63
= 47/ 63 ANS
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