Matematika

Pertanyaan

Tolong ya ka..
1). 3/8 : 6/9
2). 4/9 : 12/15
3). 4/12 : 12/18
4). 3/14 : 15/28
5). 4/10 : 16/18

1 Jawaban

  • 1. 3/8 : 6/9
    3/8 × 9/6 = 27/48 = 9/16 : 2
    = 3/8
    2. 4/9 : 12/15
    4/9 × 15/12 = 60/108 : 3
    30/36 : 2
    =10/12
    3. 4/12 : 12/18
    4/12×18/12 = 72/144 : 72
    = 1/2
    4. 3/14 : 15/28
    3/14×28/15 = 84/210 : 2
    =42/105
    5. 4/10 : 16/18
    4/10× 18/16 = 72/160 : 2
    36/80 : 2 = 18/40 : 2
    = 9/20

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