`2 7/12+3 1/4 xx 5/26`
`=31/12+13/4xx5/26`
`=31/12+5/8`
`=62/24+15/24`
`=77/24`
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\(2\dfrac{7}{12}+3\dfrac{1}{4}\times\dfrac{5}{26}=\dfrac{31}{12}+\dfrac{13}{4}\times\dfrac{5}{26}=\dfrac{31}{12}+\dfrac{13\times5}{4\times13\times2}=\dfrac{31}{12}+\dfrac{5}{8}=\dfrac{62}{24}+\dfrac{15}{24}=\dfrac{77}{24}\)
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