Solutions by everydaycalculation.com
570 - 5070 is -914.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70-50/70 15/70-50/70 25/70-50/70 35/70-50/70
© everydaycalculation.com