4-7/12+15/6+21/3-11/4

Question

4-7/12+15/6+21/3-11/4

Answer 1

   4 - 7/12 + 15/6 + 21/3 - 11/4 =
= 4 - 7/12 + 30/12 + 7 - 33/12 =
= 11 - 10/12 =
= 10 1/6

Answer 2

4-7/12+15/6+21/3-11/4= 4-7/12 +30/12+84/12-33/12= 122/12=10 2/12=10 1/6

Comments

21/3 = 7 ...)))

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61/6= 30,5/3= 10 0.5/3!