1.

\[\frac{\mathbf{6}}{\mathbf{15}}\mathbf{-}\frac{\mathbf{2}}{\mathbf{10}}\mathbf{=\_\_\_\_\_}\]

A. \[\frac{12}{30}-\frac{6}{30}=\frac{6}{30}=\frac{1}{5}\]           
B.  \[\frac{12}{30}-\frac{8}{30}=\frac{4}{30}=\frac{2}{15}\]
C. \[\frac{12}{30}-\frac{4}{30}=\frac{8}{30}=\frac{4}{15}\]
D.       \[\frac{3}{5}-\frac{2}{10}=\frac{1}{10}\]
E. None of these
Answer» B.  \[\frac{12}{30}-\frac{8}{30}=\frac{4}{30}=\frac{2}{15}\]


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