Solutions by everydaycalculation.com
1490 + 6390 is 7790.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/90+63/90 42/90+63/90 70/90+63/90 98/90+63/90
© everydaycalculation.com