Solutions by everydaycalculation.com
680 + 7080 is 1920.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/80+70/80 18/80+70/80 30/80+70/80 42/80+70/80
© everydaycalculation.com