Solutions by everydaycalculation.com
1st number: 1/21, 2nd number: 6 3/7
121 - 457 is -13421.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21-45/7 1/21-90/7 1/42-45/7 1/21-45/14 3/21-45/7 1/63-45/7 1/21-45/21 5/21-45/7 1/21-45/35 7/21-45/7 1/21-45/49
© everydaycalculation.com