Math Problem Solver

\[\frac{6.430}{100} = \frac{643}{10000} = 0.0643\]

\[\begin{aligned}\frac{6.430}{100}& = \left(6 + \frac{43}{100}\right) \cdot \frac{1}{100}\\& = \frac{643}{100} \cdot \frac{1}{100}\\& = \frac{643}{10000}\end{aligned}\]