Solutions by everydaycalculation.com
1st number: 20/40, 2nd number: 1 20/40
2040 - 6040 is -11.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80-60/40 20/40-60/80 60/40-60/40
© everydaycalculation.com