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math > fraction operations > Flashcards

fraction operations Flashcards

1
Q

What is strategy for adding fractions

A

find a common denominator & make equivalent fractions

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2
Q

What is strategy for subtracting fractions

A

find a common denominator & make equivalent fractions

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3
Q

What is strategy for multiplying fractions

A

multiply the numerators and then multiply the denominators

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4
Q

A trick for making multiplying fractions a bit easier

A

cross-cancelling

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5
Q

What is strategy for dividing fractions

A

Keep the 1st fraction the same, reverse the sign, flip the 2nd fraction

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6
Q

What is strategy for adding mixed numbers

A

combine likes, find common denomintor, make = fractions, add, the return to mixed number

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7
Q

What is strategy for subtracting mixed numbers

A

TURN INTO IMPROPER, find common denomintor, make = fractions, subtract, then return to mixed number

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8
Q

What is strategy for multiplying mixed numbers

A

TURN INTO IMPROPER, cross-cancel if can, multiply, then return to mixed number

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math (3 decks)

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