Solutions by everydaycalculation.com
718 - 715 is -790.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18-7/15 7/18-14/15 7/36-7/15 7/18-7/30 21/18-7/15 7/18-21/15 7/54-7/15 7/18-7/45 35/18-7/15 7/18-35/15 7/90-7/15 7/18-7/75 49/18-7/15 7/18-49/15
© everydaycalculation.com