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bonjour, aidez moi s'il vous plait a calculer les fractions. F=-5/2+-2/3--7/4. G=24/35×-45/16+11/2.
H=-5/4×(7/15_13/20)
J=3/8--5/8×(3/5-7/3)
k=(-7/6+1/8)×(2/5-6/7)
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bonjour, aidez moi s'il vous plait a calculer les fractions. F=-5/2+-2/3--7/4. G=24/35×-45/16+11/2. H=-5/4×(7/15_13/20) J=3/8--5/8×(3/5-7/3) k=(-7/6+1/8)×(2/5-6

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  • Bonjour

    Calculer les fractions.

    F=-5/2+-2/3--7/4

    F = (- 5 x 6) / (2 x 6) - (2 x 4) / (3 x 4) + (7 x 3) / (4 x 3)

    F = - 30/12 - 8/12 + 21/12

    F = - 17/12

    G=24/35×-45/16+11/2.

    G = - 1080/560 + 11 /2

    G= (40 x 27) / (40 x 14) + (11 x 7) / (2 x 7)

    G = 27/14 + 77/14

    G = 104/14

    G = (2 x 52) / (2 x 7)

    G = 52/7

    H=-5/4×(7/15_13/20)

    H = - 5/4 x [(7 x 4) / (15 x 4) - (13 x 3) / (20 x 3)]

    H = - 5/4 x (28/60 - 39/60)

    H = - 5/4 x - 11/60

    H = 55/240

    H = (5 x 11) / (5 x 48)

    H = 11/48

    J=3/8--5/8×(3/5-7/3)

    J = 3/8 + 5/8 x [(3 x 3) / (5 x 3) - (7 x 5) / (3x 5)]

    J = 3/8 + 5/8 x (9/15 - 35/15)

    J = 3/8 + 5/8 x -26/15

    I = 3/8 - 130/120

    I = 3/8 - (10 x 13) / (10 x 12)

    I = 3/8 - 13/12

    I = (3 x 3) / (8 x 3) - (13 x 2) / (12 x 2)

    I = 9/24 - 26/24

    I = - 17/24

    k=(-7/6+1/8)×(2/5-6/7)

    K = [(- 7 x 4) / (6 x 4) + (1 x 3) / (8 x 3)] x [(2 x 7) / (5 x 7) - (6 x 5) / (7 x 5)]

    K = (- 28/24 + 3/24) x (14/35 - 30/35)

    K = - 25/24 x - 16/35

    H = 400/840

    H = (40 x 10) / (40 x 21)

    H = 10/21.

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