Solutions by everydaycalculation.com
1st number: 20/40, 2nd number: 1 5/40
2040 - 4540 is -58.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40-90/40 20/80-45/40 20/40-45/80 60/40-45/40
© everydaycalculation.com