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What number should be added to (7/12) to get (4/15) ?
- a)-19/60
- b)-19
- c)1/2
- d)None of these
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
What number should be added to (7/12) to get (4/15) ?a)-19/60b)-19c)1/...
Let the no be x
so
7/12+x=4/15
x=4/15-7/12
take LCM
so
x=16-35/60
x=-19/60
Most Upvoted Answer
What number should be added to (7/12) to get (4/15) ?a)-19/60b)-19c)1/...
To find the number that should be added to (7/12) to get (4/15), we can set up an equation:
(7/12) + x = 4/15
To solve for x, we can cross-multiply:
15(7/12 + x) = 4
Simplifying the left side:
(15/12) + 15x = 4
Multiplying both sides by 12 to eliminate the fraction:
15 + 180x = 48
Subtracting 15 from both sides:
180x = 33
Dividing both sides by 180:
x = 33/180
Simplifying the fraction:
x = 11/60
Therefore, the number that should be added to (7/12) to get (4/15) is 11/60.
Option A, -19/60, is incorrect.
(7/12) + x = 4/15
To solve for x, we can cross-multiply:
15(7/12 + x) = 4
Simplifying the left side:
(15/12) + 15x = 4
Multiplying both sides by 12 to eliminate the fraction:
15 + 180x = 48
Subtracting 15 from both sides:
180x = 33
Dividing both sides by 180:
x = 33/180
Simplifying the fraction:
x = 11/60
Therefore, the number that should be added to (7/12) to get (4/15) is 11/60.
Option A, -19/60, is incorrect.
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