Solutions by everydaycalculation.com
2790 - 1090 is 1790.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90-10/90 27/90-20/90 81/90-10/90 27/90-30/90 27/90-50/90 27/90-70/90
© everydaycalculation.com