Solutions by everydaycalculation.com
1st number: 7 0/9, 2nd number: 5 5/9
639 - 509 is 139.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18-50/9 63/9-50/18 63/27-50/9 63/9-50/27 63/45-50/9 63/9-50/45 63/9-50/63
© everydaycalculation.com