Fraction is to divide the unit "1" into several parts on average, and the number representing such a part or parts is called a true fraction, such as 3/8 or 2/5. It may also become a false fraction, that is, the numerator is greater than or equal to the denominator, for example, 8/3. Denominator refers to how many parts an object is divided into, and numerator refers to how many parts it takes.

Extended data:

Fractional multiplication algorithm:

1, a fraction is multiplied by an integer, the numerator of the product is multiplied by the numerator of the fraction and the integer, and the denominator remains unchanged. Cut if you can.

2. Fraction is multiplied by fraction, numerator is multiplied by numerator, denominator is multiplied by denominator, and the fraction that can be reduced is reduced first.

Addition and subtraction algorithm of fractions;

1, same denominator fraction addition. An offer score can be reduced if the denominator is added, the numerator is added, and the denominator remains the same.

2. Fractional subtraction with denominator. Subtract the same denominator score, subtract the numerator, the denominator remains the same, and the offer score can be reduced.

3. Fractional addition of different denominators. Fractions with different denominators are added, and then calculated according to the law of adding fractions with the same denominator.

4. Fractional subtraction with different denominators. For the subtraction of fractions with different denominators, divide the fractions first, and then calculate according to the subtraction rule of fractions with the same denominator.

Baidu Encyclopedia _ Score (Mathematical Term)