Solutions by everydaycalculation.com
860 - 1660 is -215.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/60-16/60 8/60-32/60 24/60-16/60 8/60-48/60 40/60-16/60 8/60-80/60 56/60-16/60
© everydaycalculation.com