Solutions by everydaycalculation.com
1st number: 12/21, 2nd number: 1 14/21
1221 - 3521 is -2321.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/21-35/21 12/21-70/21 12/42-35/21 12/21-35/42 36/21-35/21 12/63-35/21 12/21-35/63 60/21-35/21 84/21-35/21
© everydaycalculation.com