Solutions by everydaycalculation.com
818 - 912 is -1136.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18-9/12 8/18-18/12 8/36-9/12 8/18-9/24 24/18-9/12 8/18-27/12 8/54-9/12 8/18-9/36 40/18-9/12 8/18-45/12 8/90-9/12 8/18-9/60 56/18-9/12 8/18-63/12 8/18-9/84
© everydaycalculation.com