Solutions by everydaycalculation.com
1st number: 21 0/2, 2nd number: 81/90
This multiplication involving fractions can also be rephrased as "What is 42/2 of 81/90?"
422 × 8190 is 18910.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2×81/90 42/4×81/90 42/6×81/90 42/10×81/90 42/14×81/90
© everydaycalculation.com