Entry Nº 056Stage 3 · Grades 5–6数与代数
通分与约分
换成同分母好比较，除去公因数更简洁——都是换计数单位。
This page has no English version yet — the original Chinese text is shown below.
Definition
通分：把异分母分数化成同分母，好比较、能相加；约分：分子分母同除以公因数，把分数化到最简。两者都是分数基本性质的运用——本质是换一种分数单位来数。
Where it comes from · where it goes
Prerequisites
What builds on it