Solutions by everydaycalculation.com
840 + 2740 is 78.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/40+27/40 8/40+54/40 8/80+27/40 8/40+27/80 24/40+27/40 8/40+81/40 56/40+27/40
© everydaycalculation.com