Answer:
FOR AN EASY ANSWER JUST TAKE 380 + 5/100
METHOD 1
CANCELLATION METHOD
380 x 5/100 + 380
YOU CAN DIVIDE 5 AND 100 BY 5 => 1/20
=> 380 x 1/20 = 380
380/20 = 19
NOW YOU JUST HAVE TO ADD 19 WITH 380 = 399
METHOD 2
DECIMAL METHOD
CONVERT 5/100 INTO DECIMAL => 0.05
IF YOU MULTIPLY 0.05 x 380, YOU WILL GET 19.
THEN ADD 19 WITH 380 = 399
METHOD 3
DIRECT CANCELLATION
DIVIDE 380 BY 100 = 3.8 ( KEEP 5 IN ITS PLACE )
NOW MULTIPLY 3.8 x 5 = 19
AND YOU WILL GET
19 + 380 = 399
( YOU CAN USE THE METHOD WHICH YOU FIND EASIER )
HOPE IT HELPS YOU.......