Simplify the following ratios: 1.45:1 and 1:2; 2.350 G: 2 kg; 3.1:1:5:1:2

Simplify the following ratios: 1.45:1 and 1:2; 2.350 G: 2 kg; 3.1:1:5:1:2

45:1 and 1 / 2 = 145:150 = 29:30
350 g: 2 kg = 2350:2000 = 47:40
1:5:1:3:2 = 3.1 × 30:6:20 = 93:6:20

Simplify the following ratio: (1) 7 / 4:2.1:14 / 3 (2) 320 G: 3 / 25 kg: 0.005 t (3) 10 min: 1 / 3 h: 0.4 H

7/4：2.1=175：210=35：42=5：6
320G: 3 / 25kg: 0.005 t = 8:3:5000
10 minutes: 1 / 3 hours: 0.4 hours = 1 / 6:1 / 3:2 / 5 = 5:10:4

4 and 3 / 8 plus 2.25 plus 5 and 3 / 8 plus 7 and 3 / 4,

4 and 3 / 8 plus 2.25 plus 5 and 3 / 8 plus 7 and 3 / 4
=(4 and 3 / 8 plus 5 and 3 / 8) plus (2.25 plus 7.75)
=Nine and three fourths plus ten
=19 and 3 / 4