Solutions by everydaycalculation.com
820 + 720 is 34.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20+7/20 8/20+14/20 8/40+7/20 8/20+7/40 24/20+7/20 8/20+21/20 8/60+7/20 8/20+7/60 40/20+7/20 8/20+35/20 56/20+7/20 8/20+49/20
© everydaycalculation.com