Solutions by everydaycalculation.com
670 + 1870 is 1235.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70+18/70 6/70+36/70 18/70+18/70 6/70+54/70 30/70+18/70 6/70+90/70 42/70+18/70
© everydaycalculation.com