Solutions by everydaycalculation.com
1st number: 7 0/9, 2nd number: 1 7/9
639 - 169 is 479.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/9-32/9 63/18-16/9 63/9-16/18 63/9-48/9 63/27-16/9 63/9-16/27 63/9-80/9 63/45-16/9 63/9-16/45 63/9-16/63
© everydaycalculation.com