Solutions by everydaycalculation.com
2540 + 640 is 3140.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40+6/40 25/40+12/40 25/80+6/40 25/40+6/80 75/40+6/40 25/40+18/40 25/40+30/40 25/40+42/40
© everydaycalculation.com