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diubah ke pecahan dulu biar lebih mudah
= 99/100 : 22/10
= 99 * 10 / 22 * 100
= 990 / 2200
= 45/100
= 0.45
2. 5/9 : 3/4
= 5 * 4 / 9 * 3
= 20 / 27
6. 1 3/4 : 4.5
= 7/4 : 45/10
= 7 * 10 / 4 * 45
= 70 / 180
= 7 / 18
4. 70% : 1/5
=70/100 : 1/5
=7/10 : 1/5
=7 * 5 / 10 * 1
= 35 / 10
= 7/2
= 3 1/2
5. 9.84 : 2.4 : 0.5
= 984/100 : 24/10 : 5/10
=984/100 : 24 * 10/10 * 5
= 984/100 : 240/50
= 984 * 50 / 100 * 240
= 49200 / 24000
= 41 / 20
= 2 1/40
3. 6 1/2 : 3/5
= 13/2 : 3/5
= 13 * 5 / 2 * 3
= 65 / 6
= 10 5/6
7. 7/8 : 2/5 : 1/3
= 7/8 : 2 * 3 / 5 * 1
= 7/8 : 6/5
= 35/48
8. 4/7 : 0.6 : 1/2
= 4/7 : 6/10 :1/2
= 4/7 : 6 * 2/ 10 * 1
= 4/7 : 12/10
= 4 * 10 / 7 * 12
= 40 / 84
= 10/21
9. 7 1/2 : 3 3/5
= 15/2 : 18/5
=75/36
= 2 3/36
10. 4 5/7 : 2 2/3 : 1 5/8
= 33/7 : 8/3 : 13/8
= 33/7 : 64/39
= 1287 / 448
= 2 391/448