12/18 is 66.66666666666666% as a percent

Percent is derived from Latin word "per centum" which means "by a hundred". Percent can be thought of a fraction where denominator is always 100, and we add % sign to the fraction. For example, fraction 12/18 means 66.66666666666666 %.

** Steps:**

First divide 12 by 18: 12 ÷ 18 = 0.6666666666666666

Then multiply by 100: 0.6666666666666666 × 100 = 66.66666666666666

Answer:
\frac{12}{18}
= **66.66666666666666%**

(Remember to put the "%" sign so people know it is "per 100")

OR you can multiply the top by 100 first then divide by the bottom number:

Multiply 12 by 100 first, then divide by 18

1200 ÷ 18 = 66.66666666666667

Answer:
\frac{12}{18}
= **66.66666666666667%**

(Remember that "%" sign!)

Or Move the Decimal 2 Places

After dividing, instead of multiplying by 100 we can just move the decimal point 2 places to the right, then add the %

First divide 12 by 18:

12 ÷ 18 = 0.6666666666666666

Move the decimal point 2 places to the right

2 places

Remember to add the "%" sign: 66.66666666666666%

Lets say in a maths test, you score 19 marks out of 20, it means you scored 95%.

Lets say in a school with 250 students, 100 are boys, it means that the percentage of boys in school is 40 %