Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/45 of 15/21?"
4045 × 1521 is 4063.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45×15/21 40/45×30/21 40/90×15/21 40/45×15/42 40/45×45/21 40/45×15/63 40/45×75/21
© everydaycalculation.com