Solutions by everydaycalculation.com
1st number: 21 0/2, 2nd number: 18/90
This multiplication involving fractions can also be rephrased as "What is 42/2 of 18/90?"
422 × 1890 is 215.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2×18/90 42/2×36/90 42/4×18/90 42/2×54/90 42/6×18/90 42/10×18/90 42/14×18/90
© everydaycalculation.com