What should be subtracted from -3/ 7 to get 11/14?
Answers
Answered by
1
Answer:
17/14
Step-by-step explanation:
Hope this help you
Answered by
0
Answer:
11
84
Explanation:
Before we can subtract the numerators, the denominators have to be the same, so we are working with the same sized portions.
What is the LCD?
An obvious answer is
12
×
14
, but this will be too big because both 12 and 14 are even, so they share a factor of 2.
Starting with
12
×
14
divide them both by 2.
Let's try
2
(
6
×
7
)
=
84
6 and 7 do not have a common factor
11
12
×
7
7
−
11
14
×
6
6
=
77
−
66
84
=
11
84
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