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1. The simplest reduction to the lowest terms of $\frac{116690151}{427863887}$ is = ?

A. $\frac{3}{11}$

B. $\frac{7}{11}$

C. $\frac{11}{3}$

D. None of these

Solution:

\begin{aligned} 116690151 \bar{) 427863887(} 3 \\ 350070453 \\ \bar{77793434)116690151(} 1 \\ 77793434 \\ \bar{38896717)77793434(} 2 \\ \frac{77793434}{\times} \\ So, H .C .F of 116690151 and 427863887 \\ =  38896717 \\ ∴ \frac{116690151}{427863887} = \frac{116690151 \div 38896717}{427863887 \div 38896717} \\ = \frac{3}{11} \end{aligned}

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