Solutions by everydaycalculation.com
1st number: 7/21, 2nd number: 1 1/7
721 + 87 is 3121.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/21+8/7 7/21+16/7 7/42+8/7 7/21+8/14 7/21+24/7 7/63+8/7 7/21+8/21 35/21+8/7 7/21+40/7 7/21+8/35 49/21+8/7 7/21+56/7 7/21+8/49
© everydaycalculation.com