Gretchen rode her snowmobile 1 1/4 miles to a snowmobile trail. She rode on the trail for 5 5/6 miles and then rode back home. Which addition Sentence shows how many miles Gretchen Rode?

A. 1 1/4 + 5 5/6 = 6 3/5

B. 1 1/4 + 5 5/6 = 7 1/12

C. 1 1/4 + 5 5/6 + 1 1/4 = 8 1/3

D. 1 1/4 + 5 5/6 + 1 1/4 7 = 1/2

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7 1/12

B.

Step-by-step explanation:

Rewriting our equation with parts separated

=1+1/4+5+5/6

Solving the whole number parts

1+5=6

Solving the fraction parts

1/4+5/6=?

Find the LCD of 1/4 and 5/6 and rewrite to solve with the equivalent fractions.

LCD = 12 3/12+10/12= 13/12

Simplifying the fraction part, 13/12,

13/12=1 1/12

Combining the whole and fraction parts

6+1+1/12 = 7 1/12

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step-by-step explanation:

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