Respuesta :

Geekhawk
The problem is [tex]21 \frac{11}{12} + 17 \frac{5}{12} [/tex]

Add the whole numbers

[tex]21 + 17 = 38[/tex]

Match up the fractions and make sure the denominators are the same (they are)

[tex] \frac{11}{12} + \frac{5}{12} [/tex] [tex]= \frac{16}{12} [/tex]

Break down the fraction 

[tex]16[/tex] ÷ [tex]12 = 1 \frac{4}{12} [/tex]

Reduce-You need to find a common factor for both the numerator and denominator

[tex]4[/tex] ÷ [tex]4[/tex] [tex]= 1[/tex]

[tex]12[/tex] ÷ [tex]4 = 3[/tex]

Combine everything

[tex]38 + 1\frac{1}{3} =39 \frac{1}{3} [/tex]

Answer: [tex]39 \frac{1}{3} [/tex]







Neuron
If you would like to calculate 21 11/12 + 17 5/12, you can do this using the following steps:

21 11/12 + 17 5/12 = 263/12 + 209/12 = (263 + 209) / 12 = 472/12 = 118/3 = 39 1/3

The correct result would be 39 1/3.

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