The fraction may be simplified when the numerator and denominator have a common factor greater than one. Units are often referred to as ones. Eg, 4∙2 has 4 units and 2 tenths, or you could say 4∙2 has ...

Know that you know your whole numbers (整数, zhěng shù) in Chinese, you can talk about rational numbers (有理数，yǒu lǐ shù) in decimals (小数, xiǎo shù), fractions (分数, fēn shù), and percents (百分数, bǎi fēn ...

Many students find math challenging, especially when dealing with fractions, decimals, and percentages. Mastering the conversion between these forms simplifies calculations and enhances understanding.