what should be added to 7/12 to get -4/15
Answers
Given,
The addition of two numbers = -4/15
One of the numbers = 7/12
To find,
The second number in the addition.
Solution,
The second number in the addition will be -51/60.
We can easily solve this problem by following the given steps.
Now, let's take the second number to be x.
According to the question,
7/12 + x = -4/15
x = -4/15 - 7/12 ( Moving 7/12 from the left-hand side to the right-hand side will result in the change of its sign from plus to minus)
Taking the L.C.M. of 15 and 12 and adding the two fractions,
x = -4×4 - 5×7/60 ( First, we divide the L.C.M. by the denominator and multiply the numerator with the answer.)
x = -16-35/60
x = -51/60 ( The two negative integers are added but the sign is negative for the result we get.)
Hence, the second number is -51/60.
Answer:
-19/60
Step-by-step explanation:
The LCM = 60
7/12*5/5 = 35/60
-4/15*4 = -16/60
35/60 - 16/60
= -19/60
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