Solutions by everydaycalculation.com
5490 - 1090 is 2245.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90-20/90 54/90-30/90 54/90-50/90 54/90-70/90
© everydaycalculation.com