Solutions by everydaycalculation.com
770 + 2170 is 25.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70+21/70 7/70+42/70 21/70+21/70 7/70+63/70 35/70+21/70 49/70+21/70
© everydaycalculation.com