To add these fractions, you must first find a common denominator.
The common denominator for 7 and 14 is 14.
Next, you must convert each fraction so they have the common denominator of 14.
For -12/7, you multiply both the numerator and denominator by 2 to get: -24/14.
For 3/14, the denominator is already 14, so you don't need to change anything.
Now that both fractions have the common denominator of 14, you can add them together:
-24/14 + 3/14 = (-24 + 3)/14 = -21/14
Therefore, -12/7 + 3/14 is equal to -21/14.
-12/7 + (3/14)
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