Solutions by everydaycalculation.com
2170 + 870 is 2970.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/70+8/70 21/70+16/70 63/70+8/70 21/70+24/70 21/70+40/70 21/70+56/70
© everydaycalculation.com