Pasos
① 3/4 + 2/5 + 1/7 = 181/140
= 105/140 + 56/140 + 20/140
= 105 + 56 + 20/140
= 181/140
② 6/10 + 3/7 + 1/2 = 107/70
= 42/70 + 30/70 + 35/70
= 42 + 30 + 35/70
= 107/70
③ 5/6 + 2/4 + 7/11 = 65/33
= 55/66 + 33/66 + 42/66
= 55 + 33 + 42/66
= 130/66
④ 8/3 + 6/6 + 5/9 = 38/9
= 48/18 + 18/18 + 10/18
= 48 + 18 + 10/18
= 76/18 = 38/9
⑤ 1/5 + 4/15 + 6/10 = 6/5
= 2/10 + 10/10
= 2 + 10/10
= 12/10 = 6/5
⑥ 2/4 + 2/6 + 1/8 = 23/24
2/4 = 1/2 , 2/6 = 1/3
= 12/24 + 8/24 + 3/24
= 12 + 8 + 3/24
= 23/24
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B) 107/70
C) 65/33
D) 38/9
E) 16/15
F) 23/24
Esos son los resultados
Verified answer
Pasos
① 3/4 + 2/5 + 1/7 = 181/140
= 105/140 + 56/140 + 20/140
= 105 + 56 + 20/140
= 181/140
② 6/10 + 3/7 + 1/2 = 107/70
= 42/70 + 30/70 + 35/70
= 42 + 30 + 35/70
= 107/70
③ 5/6 + 2/4 + 7/11 = 65/33
= 55/66 + 33/66 + 42/66
= 55 + 33 + 42/66
= 130/66
④ 8/3 + 6/6 + 5/9 = 38/9
= 48/18 + 18/18 + 10/18
= 48 + 18 + 10/18
= 76/18 = 38/9
⑤ 1/5 + 4/15 + 6/10 = 6/5
= 2/10 + 10/10
= 2 + 10/10
= 12/10 = 6/5
⑥ 2/4 + 2/6 + 1/8 = 23/24
2/4 = 1/2 , 2/6 = 1/3
= 12/24 + 8/24 + 3/24
= 12 + 8 + 3/24
= 23/24