Explain the terms numerator and denominator with this 71-piece set of fractions. 
Add and subtract fractions, increase and decrease fractions, compare and arrange fractions.

Contents

1 full circle (dim. diam. 10 cm)
70 different fractions in different colors (1x 1/1, 2x 1/2, 3x 1/3, 4x 1/4, 5x 1/5, 6x 1/6, 8x 1/8, 10x 1/10, 12x 1/ 12 and 20x 1/20)