noun
lowest common denominator; least common denominator; LCD
Mathematical term for the smallest common multiple of the denominators of several fractions.
分数の足し算では、最小公分母を求める必要がある。
When adding fractions, you need to find the lowest common denominator.
最小公倍数 is the least common multiple of integers, while 最小公分母 is specifically the least common multiple of denominators in fractions.
Compound of 最小 (smallest) + 公 (common) + 分母 (denominator), a direct translation of the English mathematical term 'lowest common denominator'.