Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 15/42 of 15/40?"
1542 × 1540 is 15112.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/42×15/40 15/42×30/40 15/84×15/40 15/42×15/80 45/42×15/40 15/42×45/40 75/42×15/40 15/42×75/40
© everydaycalculation.com