Solutions by everydaycalculation.com
6370 + 670 is 6970.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/70+12/70 63/70+18/70 63/70+30/70 63/70+42/70
© everydaycalculation.com