Solutions by everydaycalculation.com
1st number: 5/15, 2nd number: 2 10/15
515 - 4015 is -73.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15-40/15 5/15-80/15 5/30-40/15 5/15-40/30 5/45-40/15 5/15-40/45 25/15-40/15 5/75-40/15 5/15-40/75 35/15-40/15
© everydaycalculation.com