Solutions by everydaycalculation.com
1st number: 15/21, 2nd number: 1 9/21
1521 - 3021 is -57.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/21-30/21 15/21-60/21 15/42-30/21 15/21-30/42 45/21-30/21 15/21-90/21 15/63-30/21 15/21-30/63 75/21-30/21
© everydaycalculation.com