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[DOC File]FRACTION BASICS
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We do this when we rename a fraction with a common denominator when adding or subtracting fractions. If adding + , the LCD is 15. = Since 3 • 5 = 15, multiply by • = = Since 5 • 3 = 15 multiply by • = Now, + = When reducing fractions, divide the numerator and denominator by the same number.
adding and subtracting fractions with different denominators

[DOC File]Fractions
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Jun 14, 2012 · Place the sum over the denominator. 4 5 x 4 = 20 + 3 = 23 4 = Adding or Subtracting Fractions – Fractions . must. have a common denominator. + = 1. Find the LCM of 6 and 4. LCM = 12. 2. Convert each fraction to an equivalent fraction with denominator of 12. x = x = 3. Rewrite the equation using the new fractions. + = 4.
addition with unlike denominators answers

[DOC File]Detailed Help For Adding Fractions With Different …
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, to find the common denominator you just multiply 3 x 4. So, the common denominator is . 12. Even if you were adding three fractions like . 1/8 + 4/7 + 3/56, the . same rule applies. Multiply . 8 x 7 x 56 . to get a common denominator of . 3136. You may have already figured out that this might not work out to well for a lot of the fractions ...
adding and subtracting fractions with unlike denominators

[DOCX File]Four in a Row: Fraction Addition and Subtraction
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Conclude by saying and writing on the board that when adding or subtracting fractions, one needs to have common denominators, and to find the common denominator, one first finds the least common multiple of the denominators and then finds the related numerators so that the new fractions are equivalent to the original fractions.
add fractions with unlike denominators

[DOC File]ADDING Fractions
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Now multiply (x) the top then bottom of the second fraction by the first denominator, like this: 2x3=6 and 8x3=24. making. 6/24. Re-write the sum with the new fractions, like this: 1/3 - 2/8 is the same as 8/24 - 6/24. Subtract (-) the tops (numerators) of the new fractions to …
fraction addition with two different denominators

Adding fractions with x in denominator