Solutions by everydaycalculation.com
812 - 412 is 13.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12-4/12 8/12-8/12 8/24-4/12 8/12-4/24 24/12-4/12 8/36-4/12 8/12-4/36 40/12-4/12 8/12-20/12 8/60-4/12 8/12-4/60 56/12-4/12 8/12-28/12 8/84-4/12 8/12-4/84
© everydaycalculation.com