Question 913309
8 2/3 
10
<u> 9 2/7 </u>
.......
26/3 + 10 + 65/7 = {{{(26*7 + 10*21 + 3*65)/21}}} = 587/21 = 27  20/21
NOte: 587/21 = 27.952.... {{{27*21 = 567}}}