Solutions by everydaycalculation.com
1021 + 321 is 1321.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21+3/21 10/21+6/21 10/42+3/21 10/21+3/42 30/21+3/21 10/21+9/21 10/63+3/21 10/21+3/63 50/21+3/21 10/21+15/21 70/21+3/21
© everydaycalculation.com