Solutions by everydaycalculation.com
640 + 2440 is 34.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40+24/40 6/40+48/40 6/80+24/40 6/40+24/80 18/40+24/40 6/40+72/40 30/40+24/40 42/40+24/40
© everydaycalculation.com