To convert 6 7/15 to a decimal using long division, follow these steps:
1. Write 6 7/15 as an improper fraction:
6 7/15 = (6 * 15 + 7)/15 = 97/15
2. Perform long division by dividing the numerator (97) by the denominator (15):
6.4
______________
15 | 97.00
90
______
70
3. Bring down the next digit, which is 0, and continue the division:
6.47
______________
15 | 97.00
90
______
70
-60
_______
100
-90
_______
10
4. The remainder is 10. Since the remainder is not zero, you can add a decimal point and a zero and continue the division:
6.473
______________
15 | 97.000
90
______
70
-60
_______
100
-90
_______
100
-90
_______
10
-0
_______
100
5. Bring down another zero and continue the division:
6.4733
______________
15 | 97.0000
90
______
70
-60
_______
100
-90
_______
100
-90
_______
10
-0
_______
100
-90
_______
10
6. The remainder is 10 again. Since the remainder is not zero, you can continue to add decimal places and perform the division until the desired level of accuracy is reached.
Therefore, 6 7/15 as a decimal is approximately 6.4733.