What Is Half of One Fourth?

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Half of one-fourth, or 0.25, is one-eighth, or 0.125. Common measurements that use one-eighth include one-eighth of a teaspoon, one-eighth of an inch and one-eighth of a gallon. Common rulers have one-eighth-inch marks on rulers, whereas one-eighth of a gallon is called a pint.

The phrase one-eighth is written as 1/8 in fractional form. To find one-half of one-fourth using numerals, the expression is “1/2 * 1/4 = 1/8,” which means the numerators multiply each other and the denominators multiply each other. One times one is one, whereas two times four is eight to arrive at the product of 1/8.