Note, your answer will be negative and you need to find a common denominator. In this case, it is easiest to multiply 2 and 49 to get a common denominator of 98.
Since both denominators are 98, you need to multiply 7 by 49 and -4 by 2.
Now, just add the two negatives!
Note, your answer will be negative and you need to find a common denominator. In this case, it is easiest to multiply 2 and 49 to get a common denominator of 98.
Since both denominators are 98, you need to multiply 7 by 49 and -4 by 2.
Now, just add the two negatives!