Solutions by everydaycalculation.com
815 - 315 is 13.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15-3/15 8/15-6/15 8/30-3/15 8/15-3/30 24/15-3/15 8/15-9/15 8/45-3/15 8/15-3/45 40/15-3/15 8/75-3/15 8/15-3/75 56/15-3/15 8/15-21/15
© everydaycalculation.com