en.wikipedia.org/wiki/Supermajority

A supermajority, or a qualified majority, is a requirement for a proposal to gain a specified level ... Similar to the use of "two thirds", "three fifths", or 60 percent, could be specified in the voting requirement. This requirement could also be qualified ...

sciencing.com/calculate-two-thirds-number-2795.html

Jun 16, 2017 ... Two-thirds of a number represents a portion of the whole number. Calculate the results by converting the fraction into a decimal.

www.reference.com/math/two-thirds-percent-form-b44e647b438d3c65

In percent form, two-thirds is 66.67 percent. To determine this, one divides two by three with a calculator to find 0.66666. To find this fraction in percent form, one ...

www.convert-me.com/en/convert/percent/onethird.html

Conversion chart for one third or .(3) (Fractions, fractions and percent). Instant conversion for fraction, percent, metric (SI) prefixes, etc. ... half or .5 (1/2). 0.6667.

socratic.org/questions/how-do-you-convert-2-3-to-a-percentage

Aug 18, 2016 ... A percent can be written as a fraction with a denominator of 100. ... The thirds are a problem because they end up as recurring decimals.

www.quora.com/How-is-two-thirds-of-a-number-calculated

Let's say we're trying to find two thirds of 18. First, you want to ... To get two thirds, yo... ... How do you figure out the percentage of two numbers on a calculator?

www.themathpage.com/arith/parts-of-numbers_2.htm

What do we mean by a mixed number of times? How do we increase or decrease a number by a given part? What percent means a third? Two theorems.

forum.wordreference.com/threads/two-thirds-of-a-percentage-point.1625765

And, reflecting the increased hours, the average weekly wage for most of the nation's workers rose by nearly two-thirds of a percentage point in ...