Solutions by everydaycalculation.com
1560 - 4560 is -12.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60-45/60 15/60-90/60 45/60-45/60 75/60-45/60
© everydaycalculation.com