Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/20 of 18/90?"
420 × 1890 is 125.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20×18/90 4/20×36/90 4/40×18/90 12/20×18/90 4/20×54/90 4/60×18/90 28/20×18/90
© everydaycalculation.com