what number should be added to 3/8 to get - 1/24

what number should be added to 3 by 8 to get minus 1 by 24

or

what number should be added to 3/8 to get - 1/24

or

what should be added to 3/8 to get-1/24

let the required number is x.

According to the question,

3/8+x=1/24

Or, x=1/24-3/8

Or, x=(1-9)/24

Or, x=-8/24

Or, x=-1/3

Required number=29/72