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Published byJanel Russell Modified over 8 years ago
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Addition & Subtraction Same Denominator Press Ctrl-A ©2009 G Dear – Not to be sold/Free to use Web Resources Stage 4 Years 7 & 8
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2 Add/Sub – Same Denominator (1/7) Add or Subtract whole numbers. Add or Subtract Fractions. Express Improper Fractions as Mixed Fractions. Simplify Fractions End of Slide
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3 4.8 Add/Sub – Same Denominator (2/7)795929 -= 7959129 += 43 = 13 = 1 ÷3÷3 3 79 + =3 79 End of Slide
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4 4.9 Subtraction – Same Denominator (3/7)59 -= 1 59 -= 9949 a) 34 -= 1 34 -= 4414 b) 47 -= 1 47 -= 7737 c) End of Slide
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5 4.9 Subtraction – Same Denominator (4/7)59 -= 4 59 -= 9949 a) 34 -= 2 34 -= 4414 b) 1 1 47 -= 3 47 -= 7737 c) 2 2 33 End of Slide
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6 4.9 Subtraction – Same Denominator (5/7)57 -= 5 57 -= 7727 a) 35 - 1 = 2 35 = 5525 b) 1 47 - 1= 3 47 = 7737 c) 2 1 24 2 2 End of Slide
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7 4.9 Subtraction – Same Denominator (6/7)57 -= 5 57 -= 9747 a)4 4 27 34 -= 3 34 -= 5424 b)2 2 14 45 -= 7 45 -= 7537 c)6 6 25 = 12 2 End of Slide
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8 4.9 Subtraction – Same Denominator (7/7)34 - 4- 4- 4- 4= 7 34 - 4- 4- 4- 4= 5424 a)6 2 14 56 - 1- 1- 1- 1= 6 56 - 1- 1- 1- 1= 7626 b)5 6 16 45 - 6- 6- 6- 6= 9 45 - 6- 6- 6- 6= 6525 c)8 2 15 = 12 2 = 13 6 End of Show
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