Solutions by everydaycalculation.com
2170 + 570 is 1335.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/70+5/70 21/70+10/70 63/70+5/70 21/70+15/70 21/70+25/70 21/70+35/70
© everydaycalculation.com