Type any fraction and see it drawn as a pizza, bar, or number line. Add two fractions and watch them combine!
A fraction shows part of a whole. The numerator (top number) tells how many parts you have. The denominator (bottom number) tells how many equal parts the whole is divided into. So 3/4 means 3 out of 4 equal slices.
Type any numbers in the boxes above. Click + or − to add or subtract two fractions with full step-by-step working. Switch between Pizza, Bar, Number Line and Compare views to see fractions differently.
This free interactive math tool helps students visualize and understand mathematical concepts. Instead of memorizing procedures, students can see how numbers work through visual models, manipulatives, and step-by-step animations. Research shows that visual learning in math leads to deeper conceptual understanding.
All math tools on SmartOnlineGames are aligned with Common Core State Standards for Mathematics and are designed for students in grades K through 8. They are completely free, require no login or account creation, and work on any device including tablets, Chromebooks, and interactive whiteboards.
Interact with the visual tool above to explore the concept. Try different inputs and observe how the output changes. Teachers can use this tool for whole-class demonstrations or independent practice. Parents can use it for homework help or math enrichment at home.
Last reviewed: April 2026