Question

the standard form of the sum 3/4+5/6+(-7/12) is​

Answer 1

Answer:

3/4+5/6+(-7/12)

compare into like fractions

lcm of denominators 4,6,and 12 is 12

3/4*3/3= 9/12

5/6*2/2=10/12

-7/12*1/1= -7/12

9+10-7/12

12/12 or 1

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Answer 2

$\frac{3}{4} +\frac{5}{6} +(\frac{-7}{12} )\\Solution:\\=\frac{3}{4} +\frac{5}{6} +(\frac{-7}{12} )\\\\=\frac{(3*3)+(5*2)+(-7)}{12} \\=\frac{9+10+(-7)}{12} \\=\frac{19-7}{12} \\=\frac{12}{12} =1$

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