To add -3 1/6 and 5 3/4, first convert the mixed numbers to improper fractions:
-3 1/6 = -19/6
5 3/4 = 23/4
Now, find a common denominator, which in this case is 24. Multiply the numerator and denominator of -19/6 by 4, and the numerator and denominator of 23/4 by 6:
-19/6 = -76/24
23/4 = 138/24
Now, add the fractions:
-76/24 + 138/24 = 62/24
Simplify the fraction by dividing the numerator and denominator by their greatest common divisor, which is 2:
62/24 = 31/12
Therefore, -3 1/6 + 5 3/4 = 31/12.
-3 1/6+5 3/4=
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