% = 1/100 (km/hr)
100% = 1 Fraction
50% = 1/2
25% = 1/4 (1/4*100 = 25%) (4/100 =25)
Table of Contents
Percentage to Ratio
25% = 1/4or 1:4 Ratio
Percentage to Fraction
How do you convert a percentage to a fraction?
Divide the percentage by 100 to get a decimal number. Use that number as the numerator (top) of a fraction. Put a 1 in the denominator (bottom) of the fraction. Convert the decimal to a whole number: Count how many places are to the right of the decimal.
| Percent | Decimal | Fraction |
|---|---|---|
| 10% | 0.1 | 1/10 |
| 12½% | 0.125 | 1/8 |
| 20% | 0.2 | 1/5 |
| 25% | 0.25 | 1/4 |
Decimal to Whole Number
Rounding: Ex 1.75 decimal to 2. and 1.49 to 1as whole number.
33 1/3% = ?
33*3 = 99 +1 =100
1/100
100/3* 1/100 = 1/3
1/5 = 20% (100/5)
2/5 = 40% (2/5*100=, step 2*20 =40%)
3/5 =60%
4/5 = 80%
5/5 = 100%
1/6 = 100 /6 = 16 4/6 = 16 2/3%.
1/6 = 1/2 * 1/3 = 50%/3 = 16 2/3%
percentage formula
Percentage to Number or percent of a number
What is 10% of 100?
Ans (10 number)
5% of 1 Million
5/100 * 1M (1000000 = 50,000 (2 Zeros divided 100)
or
5/1000000=
Genrally, just remoing 1 zero = 10% 2 zeros 1%
| Number | 1 Zero remoe 10% | 2 zero 1% |
| 100 | 10 | 1 |
| 1000 | 100 | 10 |
| 10000 (10K) | 1000 | 100 |
| 100000 (100k) | 10000 (1oK) | 1000 (less 2 zeros) |
| 1000000 (1M) | 100000 (100K) | 10000 (10K) |
| 10000000 (10M) | 1M | 100K |
| 100000000 (100M) | 10M | 1M |
| 1000,000,000 (100M or 1B) | 10000000 (100M) | 10000000 (10M) |
100% = 10%
formula:
100/10
Number to percentage?
25 is what percent of 100?
25% (Percentage)
Forumla:
25/1oo * 100 =
or
25/100 = 2.5*100= 25%
100 is what percent of 25?
100/25=4*100 400%.
Tip: percantage number has to put first (most people confuse here)