Solutions by everydaycalculation.com
440 - 2040 is -25.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/40-20/40 4/80-20/40 4/40-20/80 12/40-20/40 4/40-60/40 20/40-20/40 28/40-20/40
© everydaycalculation.com