Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/40 of 3/21?"
540 × 321 is 156.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40×3/21 5/40×6/21 5/80×3/21 5/40×3/42 15/40×3/21 5/40×9/21 5/40×3/63 25/40×3/21 5/40×15/21 35/40×3/21
© everydaycalculation.com