Reduction means making something smaller, less, or simpler. When a store offers a price reduction, items cost less than before. When a doctor talks about reducing a fever, she means bringing the temperature down. When you reduce a fraction like 6/8 to 3/4, you're simplifying it to its smallest form.

The word shows up everywhere in daily life. A recipe might call for reducing a sauce by simmering it until some of the liquid evaporates, making it thicker and more concentrated. A school might announce a reduction in homework over winter break. Scientists work on reducing pollution in rivers and oceans. A family might try reducing their grocery bills by planning meals more carefully.

In math and science, reduction can mean breaking something complex into simpler parts. In chemistry, reduction describes a specific type of reaction where atoms gain electrons (though you'll learn more about that in high school). The key idea remains the same: taking something and making it less, smaller, or more manageable. When you reduce your screen time or reduce the clutter in your backpack, you're cutting back to what really matters.