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math

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A) 2 5/8 x 3/14
i got 1 31/32

B) 2 1/10 x 3 4/7
i got 8 1/2

are these correct?

  • math -

    2 5/8 = 21/8
    21/8 * 3/14 = 7*3*3/8*7*2 = 9/16
    -----------------
    2 1/10 = 21/10
    3 4/7 = 25/7

    21/10 * 25/7 = 7*3*5*5/5*2*7 = 15/2 = 7 1/2

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