128 ÷ 4.87 = 12800 ÷ 487
(making the divisor a whole number by multiplying both dividend and divisor by 100); then long division as normal:
.............. 26.283
...... ---------------
487 | 12800.000
.......... 974
.......... -----
.......... 3060
.......... 2922
.......... ------
............ 138 0
.............. 97 4
............ -------
.............. 40 60
.............. 38 96
.............. -------
................ 1 640
................ 1 461
................ -------
................... 179
and so on
128 ÷ 4.87 ≈ 26.28
1 gallon = 128 fluid ounces487 gallons = (487 x 128) = 62,336 fluid ounces
0.0308
21.1739
243.5
0.0534
0.0164
487
44.2727
An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. 487 is an odd number.
69.5714
10.587
-184