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Numerator (how many there are). 3 5. Denominator (the name of the fraction). 3 4. 3 8. Twice as many cats as dogs (2 times as many). Half as many dogs as cats (1/2 times as many). Four thirds as many boys as girls (4/3 times as many). Three quarters as many girls as boys

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3 5

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  1. Numerator (how many there are) 3 5 Denominator (the name of the fraction)

  2. 3 4

  3. 3 8

  4. Twice as many cats as dogs (2 times as many) Half as many dogs as cats (1/2 times as many)

  5. Four thirds as many boys as girls (4/3 times as many) Three quarters as many girls as boys (3/4 times as many)

  6. 3 4 1 3 + =

  7. 3 4 1 3 13 12 4 12 9 12 + = + =

  8. To add two fractions: • If the denominators are the same, add the numerators. • If not, make the denominators the same by multiplying the top and bottom by the same number.

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