示例:2.56在小數點右邊有2位數字,因此d = 2。
f = 10天
例:
f = 10 2 = 100
x × f / f = y / f
例:
2.56×100/100 = 256/100
例:
gcd(256,100)= 4
例:
256/100 =(256/4)/(100/4)= 64/25
百分之一等於百分之一:
1%= 1/100
因此,為了將百分比轉換為分數,請將百分比除以100%並減少分數。
例如56%等於56/100且gcd = 4等於14/25:
56%= 56/100 = 14/25
| 百分 | 分數 |
|---|---|
| 1% | 1/100 |
| 10% | 1/10 |
| 11.11% | 1/9 |
| 12.5% | 1/8 |
| 14.29% | 1/7 |
| 16.67% | 1/6 |
| 20% | 1/5 |
| 22.22% | 2/9 |
| 25% | 1/4 |
| 28.57% | 2/7 |
| 30% | 3/10 |
| 33.33% | 1/3 |
| 37.5% | 3/8 |
| 40% | 2/5 |
| 42.86% | 3/7 |
| 44.44% | 4/9 |
| 50% | 1/2 |
| 55.56% | 5/9 |
| 57.14% | 4/7 |
| 62.5% | 5/8 |
| 66.67% | 2/3 |
| 60% | 3/5 |
| 70% | 7/10 |
| 71.43 | 5/7 |
| 75% | 3/4 |
| 77.78% | 7/9 |
| 80% | 4/5 |
| 83.33 | 5/6 |
| 85.71 | 6/7 |
| 87.5% | 7/8 |
| 88.89% | 8/9 |
| 90% | 9/10 |