Solutions by everydaycalculation.com
1220 - 1220 is 01.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20-12/20 12/20-24/20 12/40-12/20 12/20-12/40 36/20-12/20 12/20-36/20 12/60-12/20 12/20-12/60 60/20-12/20 12/20-60/20 84/20-12/20 12/20-84/20
© everydaycalculation.com