Here are some images of fractions I made with the GNU Image Manipulation Program (GIMP).  I will do more as I have time.   They are public domain.  

 ./CircleShade0Tenth_1787697933600./CircleShade1Tenth_1787697946785./CircleShade2Tenth_1787697946785./CircleShade3Tenth_1787697946785./CircleShade4Tenth_1787697962608./CircleShade5Tenth_1787697962608./CircleShade6Tenth_1787697962608./CircleShade7Tenth_1787697962608./CircleShade8Tenth_1787697962608./CircleShade9Tenth_1787697994400./CircleShade10Tenth_1787697994400

./CircleShadeEighth0_1787698047608./CircleShadeEighth1_1787698047608./CircleShadeEighth2_1787698047608./CircleShadeEighth3_1787698047608./CircleShadeEighth4_1787698047608./CircleShadeEighth5_1787698047608./CircleShadeEighth6_1787698047608./CircleShadeEighth7_1787698047608./CircleShadeEighth8_1787698047608

./Fourth0_1787698065541./Fourth1_1787698065541./Fourth2_1787698065541./Fourth3_1787698065541./Fourth4_1787698065541

./Half0_1787698079631./Half1_1787698079631./Half2_1787698079631