Solutions by everydaycalculation.com
815 - 910 is -1130.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15-9/10 8/15-18/10 8/30-9/10 8/15-9/20 24/15-9/10 8/15-27/10 8/45-9/10 8/15-9/30 40/15-9/10 8/15-45/10 8/75-9/10 8/15-9/50 56/15-9/10 8/15-63/10 8/15-9/70
© everydaycalculation.com