Solutions by everydaycalculation.com
2740 + 640 is 3340.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+6/40 27/40+12/40 27/80+6/40 27/40+6/80 81/40+6/40 27/40+18/40 27/40+30/40 27/40+42/40
© everydaycalculation.com