Fractions XII

Tosubtractfractionswith tosubtractfractionswith

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Unformatted text preview: s right 2. Since you are looking for 1x 2 = equivalent fraction 5 x 2 = 10 theyou know the top 1 1 number must also be - 10 10 multiplied by 2. To Subtract Fractions With To Subtract Fractions With Unlike Denominators Find the equivalent fractions for 1/5 & 1/10 with 10 as the denominator. 1 x 2 = 2 To find the top2number just multiply x 1 to 5 x 2 = 10 get your equivalent 1 1 fraction. - 10 10 To Subtract Fractions With To Subtract Fractions With Unlike Denominators Now just add the numerators. 1x 2 = 2 5 x 2 = 10 1 1 - 10 10 1 10 Remember when subtracting fractions you never subtract the denominators. Subtract these Fractions Subtract these Fractions 1 2 1 -8 8 8 Use the short cut to find the Least Common Denominator (LCD). Subtract these Fractions Subtract these Fractions 1 2x 4 = 8 1 - 8 x 1 =8 Now find the equivalent fractions for 1/2 & 1/8. Ask what do you multiply 2 by to get 8 and what do you multiply 8 by to get 8. Subtract these Fractions Subtract these Fractions 1x 4 = 2x 4 = 8 1x 1 = - 8 x 1 =8 Since you are writing equivalent fractions, now...
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This note was uploaded on 11/22/2011 for the course EL ED 361 taught by Professor Brotherraymond during the Fall '11 term at BYU.

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