A bread recipe calls for \( 3\frac{\mathrm{1} }{\mathrm{4}} \) cups of flour. If you only have \( 2 \frac{\mathrm{1} }{\mathrm{8}}\) cups, how much more flour is needed?
\(1\frac{\mathrm{1} }{\mathrm{8}} \)
\(1\frac{\mathrm{1} }{\mathrm{4}} \)
\(1\frac{\mathrm{3} }{\mathrm{8}} \)
\(1\frac{\mathrm{3} }{\mathrm{4}} \)
Detailed Explanation
\(3\frac{\mathrm{1} }{\mathrm{4}} - 2 \frac{\mathrm{1} }{\mathrm{8}} = \frac{\mathrm{13} }{\mathrm{4}} - \frac{\mathrm{17} }{\mathrm{8}} = \frac{\mathrm{9} }{\mathrm{8}} = 1 \frac{\mathrm{1} }{\mathrm{8}}\) more cups of flour.
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