Solutions by everydaycalculation.com
1590 + 2590 is 49.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/90+25/90 15/90+50/90 45/90+25/90 15/90+75/90 75/90+25/90
© everydaycalculation.com