You simply need to convert the tank’s height, length, and width from inches to feet, then multiply them to find out the volume in inches. Turn that into cubic feet and multiply the result by 7.48. To convert the cubic inches into cubic feet you need to divide the volume by 1728. When a is a fraction, this essentially involves exchanging the position of the numerator and the denominator. The reciprocal of the fraction 3 The forms that were not letter size were statement size (exactly half the size of the Letter-Size sheet of paper 🙂

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Firstly I will be listing the dimensions and gallon capacities of the most popular aquariums with a standard rectangular shape. So if your tank can hold 20 gallons and you want to fill it with freshwater then multiply 20 × 8.345 = 166.9 pounds.This process can be used for any number of fractions. Just multiply the numerators and denominators of each fraction in the problem by the product of the denominators of all the other fractions (not including its own respective denominator) in the problem. EX:

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Fraction subtraction is essentially the same as fraction addition. A common denominator is required for the operation to occur. Refer to the addition section as well as the equations below for clarification. a That is because in the decades prior to Personal Computer, the US Standard “Letter” Sizes were for designed for the draftsman: the kind-a guy sitting at the angled desk with the only electrical device in sight would be the light bulb (he EVEN had to manually sharpen his own pencils). An alternative method for finding a common denominator is to determine the least common multiple (LCM) for the denominators, then add or subtract the numerators as one would an integer. Using the least common multiple can be more efficient and is more likely to result in a fraction in simplified form. In the example above, the denominators were 4, 6, and 2. The least common multiple is the first shared multiple of these three numbers. Multiples of 2: 2, 4, 6, 8 10, 12 Bowfront tanks are an exception to this formula because they have a curved wall which is almost impossible to calculate on your own at home.As a kid I always thought that the half-sheet was just a letter size sheet of paper physically torn in half. Converting from decimals to fractions is straightforward. It does, however, require the understanding that each decimal place to the right of the decimal point represents a power of 10; the first decimal place being 10 1, the second 10 2, the third 10 3, and so on. Simply determine what power of 10 the decimal extends to, use that power of 10 as the denominator, enter each number to the right of the decimal point as the numerator, and simplify. For example, looking at the number 0.1234, the number 4 is in the fourth decimal place, which constitutes 10 4, or 10,000. This would make the fraction 1234 After that, you calculate the water weight and then add the two together. To find out how much your tank weighs follow these steps: