Respuesta :

SFM19613

[tex]12 \frac{1}{7} \: + \: 3 \frac{6}{11} \: = \: \frac{7 \times 12 \: + \: 1}{7} \: + \: \frac{11 \times 3 \: + \: 6}{11} \: = \: \frac{85}{7} \: + \: \frac{39}{11} \: = \: \frac{85 \times 11 \: + \: 39 \times 7 }{7 \times 11} \: = \: \frac{935 \: + \: 273}{77} \: = \: \frac{1208}{77} [/tex]
1st think about the fractions 1/7+6/11
1/7 1×11=11 7×11=77 so The 1st fraction is 11/77
6/11 6×7=42 11×7=77 So the 2nd fraction is 42/77 Now you have a like Denominators Now add the numerators That would be the top numbers you add together Not the bottom 53/77 Now add to whole numbers together 12+3=15 Then put your fraction with that That is your answer 15 53/77

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