Solutions by everydaycalculation.com
The simplest form of 660690 is 2223.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 1320/1380 330/345 1980/2070 220/230 3300/3450 132/138 4620/4830
More fractions: 1320/690 660/1380 1980/690 660/2070 661/690 660/691659/690 660/689
© everydaycalculation.com