What is 100 divided by 15? July 27, 2022 by Anonymous What is 100 divided by 15? 100 divided by 15 is equal to 6 with a remainder of 10. You can also write this as the fraction 6 2/3. Remainder in Division In math, we use division to break apart a number and divide it into equal groups. Sometimes a number divides completely into another whole number, but oftentimes you have a remainder left over.