Solutions by everydaycalculation.com
3070 + 1070 is 47.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70+10/70 30/70+20/70 90/70+10/70 30/70+30/70 30/70+50/70
© everydaycalculation.com