Solutions by everydaycalculation.com
1st number: 8/21, 2nd number: 7 1/7
821 - 507 is -14221.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21-50/7 8/42-50/7 8/21-50/14 24/21-50/7 8/63-50/7 8/21-50/21 40/21-50/7 8/21-50/35 56/21-50/7 8/21-50/49
© everydaycalculation.com