adding fractions is like adding a WHOLE lot of parts of numbers
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Similarities: the sum does not depend on which number you start with (distributive)Differences: you must find a common denominator for the fractions (whole numbers have a common denominator [1]
Really? whole numbers are like dollar bills. if there is no change then $1.00 can be just $1 a whole number, no decimals, and so can all other total dollar amounts.
Adding like terms can be like adding fractions. You can only add fractions with a common denomonator. You can only combine terms together if they are like. Think of like terms as denomonators. You can only add if they are like.
Before adding or subtracting two fractions they are converted into like fractions. Explain with examples why this is necessary.
A mixed number is made up of two parts: an integer (whole) part and a fractional part.