Renata W. answered 09/27/14
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6 3/4 + 2 3/4
Step 1: Convert the mixed fraction into the improper fraction by multiplying 6 by the denominator 4 then adding 3 this gives you your numerator (i.e 6*4+3 =27); keep the denominator; therefore the 6 3/4 is converted to 27/4. 2 3/4 is 11/4.
Step 2: Now, add the improper fractions: 27/4 + 11/4 = 38/4. You can keep this answer or convert by to a mixed fraction 38/4 = 9 1/2.