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7 2/5 and 13 4/5
A mixed number is made up of two parts: an integer (whole) part and a fractional part.
Before adding or subtracting two fractions they are converted into like fractions. Explain with examples why this is necessary.
Fractional exponents follow the same rules as integral exponents. Integral exponents are numbers raised to an integer power.
Move the decimal point 8 places to the right, adding zeroes as necessary: 254,000,000
No.
Only if the fraction is improper (greater than one).
Integers include 0, the negative numbers without fractional parts, and the positive numbers without fractional parts. The "without fractional parts" part of the description implies that all of the integers are whole numbers. Therefore, if you are adding integers, you are adding whole numbers.
7 2/5 and 13 4/5
It is not necessary.
A mixed number is made up of two parts: an integer (whole) part and a fractional part.
Subtracting two positive fractional numbers, or adding one positive and one negative integer.
Before adding or subtracting two fractions they are converted into like fractions. Explain with examples why this is necessary.
A common denominator.
By adding the necessary reagent, acidic or basic.
through trans-esterification process by adding methyl alcohol-for bio diesel. By catalytic cracker for petroleum diesel.
Fractional exponents follow the same rules as integral exponents. Integral exponents are numbers raised to an integer power.