carol530 carol530

13-08-2014
Mathematics

contestada

Find the difference. 7 7/8 - 3 1/4 ?

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mariamikayla mariamikayla

13-08-2014

7 7/8= 63/8

3 1/4= 13/4

63/8 -13/4 we bring to the same denominator

(63-26)/8= 37/8

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Аноним Аноним

13-08-2014

[tex]7\frac{7}{8}-3\frac{1}{4}\\\\LCD(\frac{7}{8};\frac{1}{4})\\\\List\ the\ multiples\ of\ 4:\ 0;\ 4;\ \fbox8;\ ...\\\\\frac{1}{4}=\frac{1\times2}{4\times2}=\frac{2}{8}\\\\7\frac{7}{8}-3\frac{2}{8}=4\frac{7-2}{8}=\boxed{4\frac{5}{8}}[/tex]

Answer Link

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