Solutions by everydaycalculation.com
1st number: 1 1/7, 2nd number: 21/63
This multiplication involving fractions can also be rephrased as "What is 8/7 of 21/63?"
87 × 2163 is 821.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7×21/63 8/7×42/63 8/14×21/63 24/7×21/63 8/21×21/63 40/7×21/63 8/35×21/63 56/7×21/63 8/49×21/63
© everydaycalculation.com