Question

Find the least number that should be added to 5 1/2 to get 12 3/7.​

Answer 1

reqd. equation

$5 \frac{1}{2} + x = 12 \frac{3}{7} \\ = > x = \frac{87}{7} - \frac{11}{2} \\ = > x = \frac{174 - 77}{14} \\ = > x = \frac{97}{14} \\ = > x = 6 \frac{13}{14}$

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