Solutions by everydaycalculation.com
1st number: 1 7/21, 2nd number: 1 1/7
2821 - 87 is 421.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/21-8/7 28/21-16/7 28/42-8/7 28/21-8/14 84/21-8/7 28/21-24/7 28/63-8/7 28/21-8/21 28/21-40/7 28/21-8/35 28/21-56/7 28/21-8/49
© everydaycalculation.com