Let the number be 'x'.
⇒ (-8/15) - x = 3/10
⇒ -x = (3/10) + (8/15)
⇒ -x = (9 + 16)/30
⇒ -x = (25/30)
⇒ -x = 5/6
⇒ x = -5/6.
Therefore, the fraction is -5/6.
Hope it helps!
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Answers & Comments
Let the number be 'x'.
⇒ (-8/15) - x = 3/10
⇒ -x = (3/10) + (8/15)
⇒ -x = (9 + 16)/30
⇒ -x = (25/30)
⇒ -x = 5/6
⇒ x = -5/6.
Therefore, the fraction is -5/6.
Hope it helps!
LET THE number which must be subtracted be x
(-8/15)- x = 3/10
-8/15+3/10=x
X=5/6
Therefore, 5/6 should be subtracted from - 8/15 to get 3/10.
I HOPE IT HELPS YOU!