Solutions by everydaycalculation.com
1670 + 1070 is 1335.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/70+10/70 16/70+20/70 48/70+10/70 16/70+30/70 80/70+10/70 16/70+50/70
© everydaycalculation.com