22:121 reduction ratio

22:121 reduction ratio

22:121=2:11

(1) 1425:0.7247:117 312:213 (2) reduction ratio. 715:0.2412.6:0.420:1

（1）1425：0.72，=14.4÷0.72，=20；47：117，=47÷87，=12；312：213，=72÷73，=32． （2）715：0.24，=（7.2×50）：（0.24×50），=360：12，=（360÷12）：（12÷12），=30：1；12.6：0.4，=（12.6×5...

Simplification ratio: 14:2.1 5 / 6: 4 / 3 1.25: 5 / 8 250 g: 2 / 5

14:2.1
=140:21
=20:3
Five out of six: four out of three
=15:24
=5:8
1.25: five eighths
=5 / 4 ": 5 / 8
=1 in 4: 1 in 8
=2:1
250 g: 2 / 5 g
=1250:2
=625:1

27:2 / 3 simplification process

96 △ 96 and 96 out of 97

96 of 97
=96 ^ (1 / 97 of 96x1)
=96 ﹣ 96 ﹣ 1 and 1 / 97
=97/98

Please simplify √ 12 + √ 27, (√ 3 + √ 2) × (√ 3 + √ 2),

3 √ 12 + √ 27
=√4+√27
=2+3√3
(√3+√2）×（√3+√2）
=3+√6+√6+2
=5+2√6

Simplification √ 108 √ 1 / 3

√108= √（36×3）=6√3
√ 1 / 3 = √ (3 / 9) = (1 / 3) √ 3

-125 + 3 and 1 / 5 - (- 5 and 3 / 8) - (+ 3.2)
-2 / 3 - (- 1 and 3 / 4) - (- 1 and 2 / 3) + (- 1.75)

-2.125 + 3 and 1 / 5 - (- 5 and 3 / 8) - (+ 3.2)
=-2.125+3.2+5.375-3.2
=3.25
-2 / 3 - (- 1 and 3 / 4) - (- 1 and 2 / 3) + (- 1.75)
=-2 / 3 + 1.75 + 1 and 2 / 3-1.75
=1

Calculate 1.125 + (- 3 and 2 / 5) + (- 1 / 8) + (- 0.6) 1 / 7 + 5 / 6 + (- 4 / 7) + (- 1 / 2)

1.125 + (- 3 and 2 / 5) + (- 1 / 8) + (- 0.6)
=1+0.125-3-2/5-1/8-0.6
=1+0.125-3-0.4-0.125-0.6
=-3
1 / 7 + 5 / 6 + (- 4 / 7) + (- 1 / 2)
=1/7+5/6-4/7-1/2
=-3/7+1/3
=-2/21

Simplification ratio: 1 in 12 to 7 in 15 to 3 in 18

One out of 12, seven out of 15, three out of 18 times 180
=15：84：30
=5：28：10