Solutions by everydaycalculation.com
The simplest form of 121221 is 4047.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 2424/42 3636/63 404/7 6060/105 8484/147
More fractions: 2424/21 1212/42 3636/21 1212/63 1213/21 1212/221211/21 1212/20
© everydaycalculation.com