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copyright©amberpasillas2010 #1 A mixed number has a part that is a whole number and a part that is a fraction. = 34 1 An improper fraction is when the numerator is greater than the denominator. 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 = 8 4 numerator denominator copyright©amberpasillas2010 1 To Change An Improper Fraction To A Mixed Number 5 = 2 Divide the numerator by the denominator. Put your remainder over the denominator. 2r1 21 2 denominator 2 5 numerator −4 1 copyright©amberpasillas2010 3x3= 9 5 x 3 = 15 2 x 5 = 10 + 3 x 5 = 15 19 4 1 15 15 15) 19 15 1) Find a common denominator. 2) Add the numerators. 3) Keep the common denominator the same. 4) Simplify or reduce. Change improper fraction to mixed #s. 4 copyright©amberpasillas2010 2 1 3 6 2 16 x 8 = 11 40 20 5 x 8 = 40 6 x 5 =30 40) 46 3 + 8 x 5 =40 40 3 46 6 20 40 1 15 IMPROPER copyright©amberpasillas2010 3x4= 6x4 = 1 x3 = - 8 x3= 12 24 3 24 9 24 Always SHOW YOUR WORK! This includes the Giant One. ÷ ÷ 3 3 3 8 copyright©amberpasillas2010 3 To multiply fractions you do NOT need common denominators. Multiply the numerators and Denominators straight across. 7 2 Change the improper fraction to a mixed number 4 = 28 3 6 4 46 6)28 24 4 Reduce! 4 4 6 ÷ ÷ 2 2 = 2 4 3 copyright©amberpasillas2010 20+1 2 4 +x 1 21 = 42 3 20 5 5 15 12 2 15 4 15) 42 25 30 IMPROPER 12 copyright©amberpasillas2010 4 To divide fractions, multiply the first fraction by the reciprocal of the second fraction. ÷3 ÷3 copyright©amberpasillas2010 To divide fractions, multiply the first fraction by the reciprocal of the second fraction. copyright©amberpasillas2010 5 1x4= 6x4 = 6 x3 = - 8 x3= 4 24 18 24 -14 ÷ 24 ÷ Always SHOW YOUR WORK! This includes the Giant One. -7 12 2 2 copyright©amberpasillas2010 You do NOT need common denominators ☺ Multiply the numerators and denominators straight across. 4 =-20 3 6 -5 2 2 Reduce! -36 6 -20 2 -3 18 6 ) Change the improper fraction to a mixed number ÷ ÷ 2 2 2 = 1 -3 3 copyright©amberpasillas2010 6 copyright©amberpasillas2010 #21 4 -1 2 = 30 7 7 6 = 13 7 7 17 3 27 7 7) 17 14 3 1st: Change your mixed numbers to improper fractions. 2nd: Subtract numerators. 3rd : The denominator stays the same. 4th : Change your answer to a mixed number. copyright©amberpasillas2010 7 #22 FRACTION REVIEW Add Fractions: Find a common denominator. Add the numerators, and keep the denominator the same. Subtract Fractions: Find a common denominator. Subtract the numerators, and keep the denominator the same. Multiply Fractions: Multiply the numerators and denominators straight across. Divide Fractions: Multiply the first fraction by the reciprocal of the second fraction. Mixed Numbers: Change it to an improper fractions first. copyright©amberpasillas2010 8