57 divided by 100 and 62 divided by 100
15 divide 8 is 1.87 or 2.00 and 31 divide 11 is 2.81 or 3.00
The answer is -12
Explanation: When adding a negative and positive number you just change the addition sign into a subtraction sign and subtract like how you usually buy keep the sign of the higher digit which is -24 in this scenario