to removea common factor from the numerator and denominator of a fractional expression
从一个分数表达式的分子和分母去掉一个公因子;约分
a fraction with a numerator smaller than the denominator
分子小于分母的分数
The numerator of the fraction is 3.
这个分数的分子是3。
The numerator represents the number of parts being considered.
分子代表被考虑的部分数量。
You need to multiply the numerator by a common factor.
你需要将分子乘以一个公共因子。
The numerator is usually written above the denominator in a fraction.
分子通常写在分数的上方。
To simplify the fraction, divide both the numerator and denominator by the same number.
要简化分数，将分子和分母都除以相同的数。
The numerator and denominator are the two parts of a fraction.
分子和分母是分数的两部分。
The numerator is the top number in a fraction.
分子是分数的上面的数字。
In the fraction 2/5, 2 is the numerator.
在分数2/5中，2是分子。
The numerator of the ratio represents the first quantity being compared.
比值的分子代表第一个被比较的数量。
When adding fractions, you only add the numerators together.
在加法分数中，只需将分子相加。
to removea common factor from the numerator and denominator of a fractional expression
从一个分数表达式的分子和分母去掉一个公因子;约分
a fraction with a numerator smaller than the denominator
分子小于分母的分数
The numerator of the fraction is 3.
这个分数的分子是3。
The numerator represents the number of parts being considered.
分子代表被考虑的部分数量。
You need to multiply the numerator by a common factor.
你需要将分子乘以一个公共因子。
The numerator is usually written above the denominator in a fraction.
分子通常写在分数的上方。
To simplify the fraction, divide both the numerator and denominator by the same number.
要简化分数，将分子和分母都除以相同的数。
The numerator and denominator are the two parts of a fraction.
分子和分母是分数的两部分。
The numerator is the top number in a fraction.
分子是分数的上面的数字。
In the fraction 2/5, 2 is the numerator.
在分数2/5中，2是分子。
The numerator of the ratio represents the first quantity being compared.
比值的分子代表第一个被比较的数量。
When adding fractions, you only add the numerators together.
在加法分数中，只需将分子相加。
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