8 = 2³
9 = 3²
6 = 2×3
cmmmc = 2³×3² = 8×9 = 72
⁹⁾1/8 + ⁸⁾1/9 + ¹²⁾1/6 =
= (9 + 8 + 12)/72
= 29/72
[tex] \frac{1}{8} + \frac{1}{9} + \frac{1}{6} = [/tex]
[tex] = \frac{54}{432} + \frac{48}{432} + \frac{72}{432} = [/tex]
[tex] = \frac{174}{432} = [/tex]
[tex] = \frac{29}{72} [/tex]
