Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/90 of 4/42?"
2190 × 442 is 145.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/90×4/42 21/90×8/42 21/90×4/84 63/90×4/42 21/90×12/42 21/90×20/42 21/90×28/42
© everydaycalculation.com