Ch 6 Review Addition and Subtraction of Fractions
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| Rounding fractions produce | zero, half, or whole (0, 1/2, 1)
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| Estimating fractions produce | zero or whole
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| estimate 1/9 | 0
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| estimate 3/4 | 1
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| Round 7/12; when rounding, remember your answer can be 0, 1/2, 1. Compare the numerator to the denominator. Is 7(the numerator) closer to #0, the #6(half of the denominator) or the #12(the denominator)? | 7 is closer to 6 SO 7/12 will round to 1/2
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| A mixed number is | the sum of a whole number part and a fraction part.
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| An improper fraction | is any fraction in which the numerator is greater than or equal to the denominator.
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| Find the difference 6/9 - 2/3 | 1) find LCD 2)rename 3)subtract numerators LCD is 9 so I only change 2/3 to 6/9. Now I can subtract 6/9 - 6/9 = 0
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| Simplify the mixed number 5 23/22 | 23/22 is an improper fraction, which can be rewritten as 1 1/22 SO add that to 5 which gives you 6 1/22
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| Find the sum 3/5 + 1/15 | 1) find LCD 2)rename 3)add the numerators LCD is 15 so I only change 3/5 to 9/15. Now I can add the numerators 9/15 + 1/15 =10/15 SIMPLIFIED 10 divided by 5 is 2 & 15 divided by 5 is 3 SO the ANSWER IS 2/3
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| Find the sum 5/6 + 3/4 | 1) find LCD 2)rename 3)add the numerators LCD is 12 so I change 5/6 to 10/12 and 3/4 9/12. Now I can add the numerators 10/12 + 9/12 = 19/12 SIMPLIFIED 19 divided by 12 is 1 and 7/12 SO the ANSWER is 1 7/12
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| Find the sum 1/3 + 5/9 | 1) find LCD 2)rename 3)add the numerators LCD is 9 so I only change 1/3 to 3/9. Now I can add the numerators 3/9 + 5/9 = 8/9 ANSWER is already in simplest form.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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