Solutions by everydaycalculation.com
1421 + 1521 is 2921.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21+15/21 14/21+30/21 14/42+15/21 14/21+15/42 42/21+15/21 14/21+45/21 14/63+15/21 14/21+15/63 70/21+15/21 14/21+75/21 98/21+15/21
© everydaycalculation.com