Question

what should be added to -7/12 to get -9/16

Answer 1

-7/12 + x = -9/16

x = -9/16 + 7/12

x = (-27 + 28)/48

x = 1/48

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Answer 2

Answer:

Given

$\green{ \rm {\: sum \: = \frac{ - 9}{16} }}$

$\green{ \rm \: one \: number \: = \frac{ - 7}{12} }$

To find

the other number

Solution

let the other number be x

$\frac{ - 7}{12} + x = \frac{ - 9}{16 } \\ \\ x = \frac{ - 9}{16} + \frac{ 7}{12}$

take out the LCM

LCM = 48

$x = \frac{ - 27 + 28}{48} \\ \\ x = \frac{ 1}{48}$