Fractions, Decimals & Percentages
Overview
One of the most practical math areas — fractions, decimal conversion, percentage calculations, and everyday number sense.
Lessons
Understanding Fractions
Build a strong foundation for fractions by learning numerator and denominator roles, fraction types, and why a fraction is also division.
Simplifying Fractions
Use greatest common factors to reduce fractions to fully simplified form while preserving value.
Adding and Subtracting Fractions
Master operations with like and unlike denominators using least common denominator strategies.
Multiplying and Dividing Fractions
Learn multiplication, reciprocal-based division, and cross-canceling to keep fraction arithmetic efficient.
Converting Between Fractions and Decimals
Translate between fraction and decimal forms using division, place value, and repeating decimal notation.
Understanding Percentages
Learn why percent means per hundred and how percent notation connects directly to fractions and decimal values.
Converting Percents, Decimals, and Fractions
Practice fast, accurate conversions among all three number forms to improve problem solving flexibility.
Converting Percents, Decimals, and Fractions
Practice fast, accurate conversions among all three number forms to improve problem-solving flexibility.
Finding a Percent of a Number
Compute percentages efficiently by converting to decimal form and multiplying in practical contexts like tax, tip, and discounts.
Real-World Percentage Problems
Integrate fraction, decimal, and percentage reasoning across multi-step scenarios from budgeting, healthcare, and operations.
Calculators
Fractions, Decimals & Percentages 3 Foundations Active
Percent Change Calculator
Calculate the percentage increase or decrease between two values.
Tutorial Ready
Percentage Calculator
Calculate the percentage of a value easily.
Tutorial Ready
Percent / Decimal / Fraction Converter
Enter a percent, decimal, or fraction and instantly convert it to all three forms — with step-by-step work showing exactly how each conversion is done.
Tutorial Ready
Fraction Arithmetic
Add, subtract, multiply, or divide any two fractions with full step-by-step work — including LCD, cross-canceling, and simplification.
Tutorial Ready