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Primero puedes buscar el m.c.m de tus denominadores:
8 12 6 | 2
4 6 3 | 2
2 3 3 | 2
1 3 3 | 3
1 1 1
m.c.m.=2x2x2x3=24
![\frac{36}{8}+ \frac{48}{12}+ \frac{54}{6}= \frac{3(36)}{3(8)}+ \frac{2(48)}{2(12)}+ \frac{4(54)}{4(6)}= \\ \\ \frac{108+96+216}{24}= \frac{420}{24}= \frac{210}{12}= \frac{105}{6}= \frac{35}{2} \frac{36}{8}+ \frac{48}{12}+ \frac{54}{6}= \frac{3(36)}{3(8)}+ \frac{2(48)}{2(12)}+ \frac{4(54)}{4(6)}= \\ \\ \frac{108+96+216}{24}= \frac{420}{24}= \frac{210}{12}= \frac{105}{6}= \frac{35}{2}](https://tex.z-dn.net/?f=+%5Cfrac%7B36%7D%7B8%7D%2B+%5Cfrac%7B48%7D%7B12%7D%2B+%5Cfrac%7B54%7D%7B6%7D%3D+%5Cfrac%7B3%2836%29%7D%7B3%288%29%7D%2B+%5Cfrac%7B2%2848%29%7D%7B2%2812%29%7D%2B+%5Cfrac%7B4%2854%29%7D%7B4%286%29%7D%3D+%5C%5C++%5C%5C++%5Cfrac%7B108%2B96%2B216%7D%7B24%7D%3D+%5Cfrac%7B420%7D%7B24%7D%3D+%5Cfrac%7B210%7D%7B12%7D%3D+%5Cfrac%7B105%7D%7B6%7D%3D+%5Cfrac%7B35%7D%7B2%7D++++++++)
Saludos!
8 12 6 | 2
4 6 3 | 2
2 3 3 | 2
1 3 3 | 3
1 1 1
m.c.m.=2x2x2x3=24
Saludos!
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