Solutions by everydaycalculation.com
1530 - 2530 is -13.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30-50/30 15/60-25/30 15/30-25/60 45/30-25/30 15/30-75/30 15/90-25/30 15/30-25/90 75/30-25/30
© everydaycalculation.com