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The sum of 2 feet $$2\frac{\mathrm{1} }{\mathrm{2}}$$inches, 4 feet $$3\frac{\mathrm{3} }{\mathrm{8}}$$inches, and 3 feet $$9\frac{\mathrm{3} }{\mathrm{4}}$$inches is _________.
Detailed Explanation
First add the number of feet together and then add the number of inches.
2 feet + 4 feet + 3 feet = 9 feet.
$$2\frac{\mathrm{1} }{\mathrm{2}}$$in + $$3\frac{\mathrm{3} }{\mathrm{8}}$$in + $$9\frac{\mathrm{3} }{\mathrm{4}}$$in = $$\frac{\mathrm{5} }{\mathrm{2}}$$ + $$\frac{\mathrm{27} }{\mathrm{8}}$$ + $$\frac{\mathrm{39} }{\mathrm{4}}$$ = $$\frac{\mathrm{20} }{\mathrm{8}}$$ +$$\frac{\mathrm{27} }{\mathrm{8}}$$ + $$\frac{\mathrm{78} }{\mathrm{8}}$$ = $$\frac{\mathrm{125} }{\mathrm{8}}$$ = $$15\frac{\mathrm{5} }{\mathrm{8}}$$in
$$15\frac{\mathrm{5} }{\mathrm{8}}$$in = 1ft $$3\frac{\mathrm{5} }{\mathrm{8}}$$, so altogether 9ft + 1ft $$3\frac{\mathrm{5} }{\mathrm{8}}$$iin =10 ft $$3\frac{\mathrm{5} }{\mathrm{8}}$$in.
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