1 and 1 / 11 to 12, simplify the ratio, and calculate the ratio?

1 and 1 / 11 to 12, simplify the ratio, and calculate the ratio?

=12/11:12
=12/11X1/12
=1/11
=1:11
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Simplification ratio 6:24 84:4 2:9:3.75 100:13:35:14.9:20:7 3kg: 800g (with process)

6：24=1:4
84:4=21:1
75 = 9 / 2:15 / 4 = 36:30 = 6:5
13:35 of 100 = 13 / 100x35 = 91:20
4.9:7 / 20 = 49 / 10x20 / 7 = 14:1
3kg: 800g = 3000:800 = 15:4

Tat 1. Ratio. 60:753 / 4:62. Simplification ratio. 1.4:3.52/5:8/15

Ratio
60:75=60÷75=4/5
3/4：6=3/4÷6=1/8
Simplification ratio
1.4：3.5=（1.4×10）：（3.5×10）=14：35=（14÷7）：（35÷7）=2：5
(you can also divide 1.4, 3.5 by 0.7)
2/5：8/15=（2/5×5）：（8/15×5）=2：8/3=（2×3）：（8/3×3）=6：8=（6÷2）：（8÷2）=3：4