🍕Fractions were first used in ancient Egypt around 1800 BC, but they only used unit fractions (1/n)
🔢The word 'fraction' comes from Latin 'fractio' meaning 'to break' - breaking a whole into parts
🎵Music relies heavily on fractions: whole notes, half notes, quarter notes, eighth notes, and sixteenths
📐The golden ratio φ can be expressed as (1+√5)/2 ≈ 1.618, appearing throughout nature and art
🥧Pi (π) is irrational and cannot be expressed as a fraction, though 22/7 is a common approximation
🏗️Builders use fractions constantly - lumber is measured in fractions like 2×4 (actually 1½×3½ inches)
🎯Simplifying fractions was described in Euclid's Elements around 300 BC using the GCD algorithm
📊Percentages are just fractions with denominator 100: 75% = 75/100 = 3/4