Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Introduction to Fractions Fractions: Part of the whole. Numerator is the top number. (up north) Denominator is the bottom number (down under). Write the following numbers as fractions. 2 17 29 To rewrite an improper fraction as a mixed number, divide the denominator into the numerator. The quotient is the whole number and the remainder is written as the numerator. You keep the same denominator. 17 5 5 17 3 2 5 15 4 25 3 To rewrite a mixed number as an improper fraction, multiply the denominator to the whole number and add the numerator. Write that result in the numerator and keep the same denominator. 2 4 3 3 • 4 + 2 = 14 14 3 5 7 9 4 3 15 Equivalent fractions are fractions that have the same value but have different numerators and denominators. Multiply or divide both the numerator and the denominator, of one fraction, by the same number to create an equivalent fraction. 2 3 8 12 4 5 25 3 7 18 To reduce fractions, find a number that will divide evenly into both the numerator and the denominator. Continue to reduce as long as possible, the result will be in simplest form. Start with 2, then 3, then 5, then 7, then 11 – that should do it for you 24 2 12 3 4 30 2 15 3 5 88 120 45 60 42 49 Switching the numerator with the denominator creates the reciprocal of a fraction. To write the reciprocal of a mixed number, you must first turn the mixed number into an improper fraction. 3 7 2 5 the reciprocal is 7 3 2 4 5 the reciprocal is 5 14 1 3 3